Home / 10,290.43-15,439.34-4,046.98

Finding the Fourth Proportional to 10,290.43, 15,439.34 and 4,046.98

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Solution

The fourth proportional to 10,290.43, 15,439.34 and 4,046.98 is: 6,071.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.43 : 15,439.34 = 4,046.98 : x
  2. Step 2: Convert to fraction form
    10,290.43/15,439.34 = 4,046.98/x
  3. Step 3: Cross multiply
    10,290.43x = 15,439.34 × 4,046.98
  4. Step 4: Simplify right side
    10,290.43x = 62,482,700.66
  5. Step 5: Solve for x
    x = 62,482,700.66/10,290.43
  6. Step 6: Final answer
    x = 6,071.93

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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.