Home / 10,374.60-15,513.30-7,750.20

Finding the Fourth Proportional to 10,374.60, 15,513.30 and 7,750.20

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Solution

The fourth proportional to 10,374.60, 15,513.30 and 7,750.20 is: 11,588.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,374.60 : 15,513.30 = 7,750.20 : x
  2. Step 2: Convert to fraction form
    10,374.60/15,513.30 = 7,750.20/x
  3. Step 3: Cross multiply
    10,374.60x = 15,513.30 × 7,750.20
  4. Step 4: Simplify right side
    10,374.60x = 120,231,177.66
  5. Step 5: Solve for x
    x = 120,231,177.66/10,374.60
  6. Step 6: Final answer
    x = 11,588.99

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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.