Home / 11,337.07-15,652.79-10,138.34

Finding the Fourth Proportional to 11,337.07, 15,652.79 and 10,138.34

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Solution

The fourth proportional to 11,337.07, 15,652.79 and 10,138.34 is: 13,997.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,337.07 : 15,652.79 = 10,138.34 : x
  2. Step 2: Convert to fraction form
    11,337.07/15,652.79 = 10,138.34/x
  3. Step 3: Cross multiply
    11,337.07x = 15,652.79 × 10,138.34
  4. Step 4: Simplify right side
    11,337.07x = 158,693,216.03
  5. Step 5: Solve for x
    x = 158,693,216.03/11,337.07
  6. Step 6: Final answer
    x = 13,997.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.