Home / 13,995.48-19,316.16-9,516.18

Finding the Fourth Proportional to 13,995.48, 19,316.16 and 9,516.18

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Solution

The fourth proportional to 13,995.48, 19,316.16 and 9,516.18 is: 13,133.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,995.48 : 19,316.16 = 9,516.18 : x
  2. Step 2: Convert to fraction form
    13,995.48/19,316.16 = 9,516.18/x
  3. Step 3: Cross multiply
    13,995.48x = 19,316.16 × 9,516.18
  4. Step 4: Simplify right side
    13,995.48x = 183,816,055.47
  5. Step 5: Solve for x
    x = 183,816,055.47/13,995.48
  6. Step 6: Final answer
    x = 13,133.96

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.