Home / 14,918.79-20,587.50-8,545.17

Finding the Fourth Proportional to 14,918.79, 20,587.50 and 8,545.17

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Solution

The fourth proportional to 14,918.79, 20,587.50 and 8,545.17 is: 11,792.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,918.79 : 20,587.50 = 8,545.17 : x
  2. Step 2: Convert to fraction form
    14,918.79/20,587.50 = 8,545.17/x
  3. Step 3: Cross multiply
    14,918.79x = 20,587.50 × 8,545.17
  4. Step 4: Simplify right side
    14,918.79x = 175,923,687.38
  5. Step 5: Solve for x
    x = 175,923,687.38/14,918.79
  6. Step 6: Final answer
    x = 11,792.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.