Home / 14,731.02-20,336.34-11,366.28

Finding the Fourth Proportional to 14,731.02, 20,336.34 and 11,366.28

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Solution

The fourth proportional to 14,731.02, 20,336.34 and 11,366.28 is: 15,691.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,731.02 : 20,336.34 = 11,366.28 : x
  2. Step 2: Convert to fraction form
    14,731.02/20,336.34 = 11,366.28/x
  3. Step 3: Cross multiply
    14,731.02x = 20,336.34 × 11,366.28
  4. Step 4: Simplify right side
    14,731.02x = 231,148,534.62
  5. Step 5: Solve for x
    x = 231,148,534.62/14,731.02
  6. Step 6: Final answer
    x = 15,691.28

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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.