Home / 10,418.95-14,379.15-7,068.79

Finding the Fourth Proportional to 10,418.95, 14,379.15 and 7,068.79

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Solution

The fourth proportional to 10,418.95, 14,379.15 and 7,068.79 is: 9,755.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418.95 : 14,379.15 = 7,068.79 : x
  2. Step 2: Convert to fraction form
    10,418.95/14,379.15 = 7,068.79/x
  3. Step 3: Cross multiply
    10,418.95x = 14,379.15 × 7,068.79
  4. Step 4: Simplify right side
    10,418.95x = 101,643,191.73
  5. Step 5: Solve for x
    x = 101,643,191.73/10,418.95
  6. Step 6: Final answer
    x = 9,755.61

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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.