Home / 14,781.59-22,157.40-12,623.75

Finding the Fourth Proportional to 14,781.59, 22,157.40 and 12,623.75

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Solution

The fourth proportional to 14,781.59, 22,157.40 and 12,623.75 is: 18,922.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,781.59 : 22,157.40 = 12,623.75 : x
  2. Step 2: Convert to fraction form
    14,781.59/22,157.40 = 12,623.75/x
  3. Step 3: Cross multiply
    14,781.59x = 22,157.40 × 12,623.75
  4. Step 4: Simplify right side
    14,781.59x = 279,709,478.25
  5. Step 5: Solve for x
    x = 279,709,478.25/14,781.59
  6. Step 6: Final answer
    x = 18,922.83

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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.