Home / 14,700.32-20,289.02-8,327.28

Finding the Fourth Proportional to 14,700.32, 20,289.02 and 8,327.28

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Solution

The fourth proportional to 14,700.32, 20,289.02 and 8,327.28 is: 11,493.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,700.32 : 20,289.02 = 8,327.28 : x
  2. Step 2: Convert to fraction form
    14,700.32/20,289.02 = 8,327.28/x
  3. Step 3: Cross multiply
    14,700.32x = 20,289.02 × 8,327.28
  4. Step 4: Simplify right side
    14,700.32x = 168,952,350.47
  5. Step 5: Solve for x
    x = 168,952,350.47/14,700.32
  6. Step 6: Final answer
    x = 11,493.11

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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.