Home / 21,813.28-32,695.38-9,327.04

Finding the Fourth Proportional to 21,813.28, 32,695.38 and 9,327.04

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Solution

The fourth proportional to 21,813.28, 32,695.38 and 9,327.04 is: 13,980.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,813.28 : 32,695.38 = 9,327.04 : x
  2. Step 2: Convert to fraction form
    21,813.28/32,695.38 = 9,327.04/x
  3. Step 3: Cross multiply
    21,813.28x = 32,695.38 × 9,327.04
  4. Step 4: Simplify right side
    21,813.28x = 304,951,117.08
  5. Step 5: Solve for x
    x = 304,951,117.08/21,813.28
  6. Step 6: Final answer
    x = 13,980.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.