Home / 13,055.36-18,010.97-9,706.18

Finding the Fourth Proportional to 13,055.36, 18,010.97 and 9,706.18

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Solution

The fourth proportional to 13,055.36, 18,010.97 and 9,706.18 is: 13,390.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,055.36 : 18,010.97 = 9,706.18 : x
  2. Step 2: Convert to fraction form
    13,055.36/18,010.97 = 9,706.18/x
  3. Step 3: Cross multiply
    13,055.36x = 18,010.97 × 9,706.18
  4. Step 4: Simplify right side
    13,055.36x = 174,817,707.05
  5. Step 5: Solve for x
    x = 174,817,707.05/13,055.36
  6. Step 6: Final answer
    x = 13,390.49

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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.