Home / 21,633.59-32,439.08-9,777.17

Finding the Fourth Proportional to 21,633.59, 32,439.08 and 9,777.17

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Solution

The fourth proportional to 21,633.59, 32,439.08 and 9,777.17 is: 14,660.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,633.59 : 32,439.08 = 9,777.17 : x
  2. Step 2: Convert to fraction form
    21,633.59/32,439.08 = 9,777.17/x
  3. Step 3: Cross multiply
    21,633.59x = 32,439.08 × 9,777.17
  4. Step 4: Simplify right side
    21,633.59x = 317,162,350.92
  5. Step 5: Solve for x
    x = 317,162,350.92/21,633.59
  6. Step 6: Final answer
    x = 14,660.64

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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.