Home / 10,356.95-15,537.45-4,115.90

Finding the Fourth Proportional to 10,356.95, 15,537.45 and 4,115.90

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Solution

The fourth proportional to 10,356.95, 15,537.45 and 4,115.90 is: 6,174.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,356.95 : 15,537.45 = 4,115.90 : x
  2. Step 2: Convert to fraction form
    10,356.95/15,537.45 = 4,115.90/x
  3. Step 3: Cross multiply
    10,356.95x = 15,537.45 × 4,115.90
  4. Step 4: Simplify right side
    10,356.95x = 63,950,590.46
  5. Step 5: Solve for x
    x = 63,950,590.46/10,356.95
  6. Step 6: Final answer
    x = 6,174.65

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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.