Home / 21,864.87-32,773.95-12,484.80

Finding the Fourth Proportional to 21,864.87, 32,773.95 and 12,484.80

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Solution

The fourth proportional to 21,864.87, 32,773.95 and 12,484.80 is: 18,713.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,864.87 : 32,773.95 = 12,484.80 : x
  2. Step 2: Convert to fraction form
    21,864.87/32,773.95 = 12,484.80/x
  3. Step 3: Cross multiply
    21,864.87x = 32,773.95 × 12,484.80
  4. Step 4: Simplify right side
    21,864.87x = 409,176,210.96
  5. Step 5: Solve for x
    x = 409,176,210.96/21,864.87
  6. Step 6: Final answer
    x = 18,713.86

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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.