Home / 10,647.61-15,952.68-9,487.94

Finding the Fourth Proportional to 10,647.61, 15,952.68 and 9,487.94

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Solution

The fourth proportional to 10,647.61, 15,952.68 and 9,487.94 is: 14,215.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647.61 : 15,952.68 = 9,487.94 : x
  2. Step 2: Convert to fraction form
    10,647.61/15,952.68 = 9,487.94/x
  3. Step 3: Cross multiply
    10,647.61x = 15,952.68 × 9,487.94
  4. Step 4: Simplify right side
    10,647.61x = 151,357,990.92
  5. Step 5: Solve for x
    x = 151,357,990.92/10,647.61
  6. Step 6: Final answer
    x = 14,215.21

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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.