Home / 21,646.28-32,472.66-7,603.83

Finding the Fourth Proportional to 21,646.28, 32,472.66 and 7,603.83

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Solution

The fourth proportional to 21,646.28, 32,472.66 and 7,603.83 is: 11,406.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,646.28 : 32,472.66 = 7,603.83 : x
  2. Step 2: Convert to fraction form
    21,646.28/32,472.66 = 7,603.83/x
  3. Step 3: Cross multiply
    21,646.28x = 32,472.66 × 7,603.83
  4. Step 4: Simplify right side
    21,646.28x = 246,916,586.29
  5. Step 5: Solve for x
    x = 246,916,586.29/21,646.28
  6. Step 6: Final answer
    x = 11,406.88

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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.