Home / 10,493-15,739.50-4,337.16

Finding the Fourth Proportional to 10,493, 15,739.50 and 4,337.16

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Solution

The fourth proportional to 10,493, 15,739.50 and 4,337.16 is: 6,505.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,493 : 15,739.50 = 4,337.16 : x
  2. Step 2: Convert to fraction form
    10,493/15,739.50 = 4,337.16/x
  3. Step 3: Cross multiply
    10,493x = 15,739.50 × 4,337.16
  4. Step 4: Simplify right side
    10,493x = 68,264,729.82
  5. Step 5: Solve for x
    x = 68,264,729.82/10,493
  6. Step 6: Final answer
    x = 6,505.74

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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.