Home / 10,257.04-15,372.60-5,327.92

Finding the Fourth Proportional to 10,257.04, 15,372.60 and 5,327.92

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Solution

The fourth proportional to 10,257.04, 15,372.60 and 5,327.92 is: 7,985.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.04 : 15,372.60 = 5,327.92 : x
  2. Step 2: Convert to fraction form
    10,257.04/15,372.60 = 5,327.92/x
  3. Step 3: Cross multiply
    10,257.04x = 15,372.60 × 5,327.92
  4. Step 4: Simplify right side
    10,257.04x = 81,903,982.99
  5. Step 5: Solve for x
    x = 81,903,982.99/10,257.04
  6. Step 6: Final answer
    x = 7,985.15

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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.