Home / 19,101.42-28,635.87-7,248.57

Finding the Fourth Proportional to 19,101.42, 28,635.87 and 7,248.57

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Solution

The fourth proportional to 19,101.42, 28,635.87 and 7,248.57 is: 10,866.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,101.42 : 28,635.87 = 7,248.57 : x
  2. Step 2: Convert to fraction form
    19,101.42/28,635.87 = 7,248.57/x
  3. Step 3: Cross multiply
    19,101.42x = 28,635.87 × 7,248.57
  4. Step 4: Simplify right side
    19,101.42x = 207,569,108.21
  5. Step 5: Solve for x
    x = 207,569,108.21/19,101.42
  6. Step 6: Final answer
    x = 10,866.68

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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.