Home / 14,995.39-20,685.34-9,331.06

Finding the Fourth Proportional to 14,995.39, 20,685.34 and 9,331.06

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Solution

The fourth proportional to 14,995.39, 20,685.34 and 9,331.06 is: 12,871.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,995.39 : 20,685.34 = 9,331.06 : x
  2. Step 2: Convert to fraction form
    14,995.39/20,685.34 = 9,331.06/x
  3. Step 3: Cross multiply
    14,995.39x = 20,685.34 × 9,331.06
  4. Step 4: Simplify right side
    14,995.39x = 193,016,148.66
  5. Step 5: Solve for x
    x = 193,016,148.66/14,995.39
  6. Step 6: Final answer
    x = 12,871.70

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Double scale
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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.