Home / 19,227.48-28,850.10-7,543.80

Finding the Fourth Proportional to 19,227.48, 28,850.10 and 7,543.80

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Solution

The fourth proportional to 19,227.48, 28,850.10 and 7,543.80 is: 11,319.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,227.48 : 28,850.10 = 7,543.80 : x
  2. Step 2: Convert to fraction form
    19,227.48/28,850.10 = 7,543.80/x
  3. Step 3: Cross multiply
    19,227.48x = 28,850.10 × 7,543.80
  4. Step 4: Simplify right side
    19,227.48x = 217,639,384.38
  5. Step 5: Solve for x
    x = 217,639,384.38/19,227.48
  6. Step 6: Final answer
    x = 11,319.18

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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.