Home / 10,497.40-15,740.32-4,165.88

Finding the Fourth Proportional to 10,497.40, 15,740.32 and 4,165.88

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Solution

The fourth proportional to 10,497.40, 15,740.32 and 4,165.88 is: 6,246.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,497.40 : 15,740.32 = 4,165.88 : x
  2. Step 2: Convert to fraction form
    10,497.40/15,740.32 = 4,165.88/x
  3. Step 3: Cross multiply
    10,497.40x = 15,740.32 × 4,165.88
  4. Step 4: Simplify right side
    10,497.40x = 65,572,284.28
  5. Step 5: Solve for x
    x = 65,572,284.28/10,497.40
  6. Step 6: Final answer
    x = 6,246.53

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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.