Home / 19,148.76-28,715.25-7,306.85

Finding the Fourth Proportional to 19,148.76, 28,715.25 and 7,306.85

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Solution

The fourth proportional to 19,148.76, 28,715.25 and 7,306.85 is: 10,957.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,148.76 : 28,715.25 = 7,306.85 : x
  2. Step 2: Convert to fraction form
    19,148.76/28,715.25 = 7,306.85/x
  3. Step 3: Cross multiply
    19,148.76x = 28,715.25 × 7,306.85
  4. Step 4: Simplify right side
    19,148.76x = 209,818,024.46
  5. Step 5: Solve for x
    x = 209,818,024.46/19,148.76
  6. Step 6: Final answer
    x = 10,957.26

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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.