Home / 14,765.28-20,377.92-8,477.52

Finding the Fourth Proportional to 14,765.28, 20,377.92 and 8,477.52

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Solution

The fourth proportional to 14,765.28, 20,377.92 and 8,477.52 is: 11,700.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,765.28 : 20,377.92 = 8,477.52 : x
  2. Step 2: Convert to fraction form
    14,765.28/20,377.92 = 8,477.52/x
  3. Step 3: Cross multiply
    14,765.28x = 20,377.92 × 8,477.52
  4. Step 4: Simplify right side
    14,765.28x = 172,754,224.36
  5. Step 5: Solve for x
    x = 172,754,224.36/14,765.28
  6. Step 6: Final answer
    x = 11,700.03

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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.