Home / 14,731.29-20,329.64-8,358.15

Finding the Fourth Proportional to 14,731.29, 20,329.64 and 8,358.15

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Solution

The fourth proportional to 14,731.29, 20,329.64 and 8,358.15 is: 11,534.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,731.29 : 20,329.64 = 8,358.15 : x
  2. Step 2: Convert to fraction form
    14,731.29/20,329.64 = 8,358.15/x
  3. Step 3: Cross multiply
    14,731.29x = 20,329.64 × 8,358.15
  4. Step 4: Simplify right side
    14,731.29x = 169,918,258.64
  5. Step 5: Solve for x
    x = 169,918,258.64/14,731.29
  6. Step 6: Final answer
    x = 11,534.51

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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.