Home / 11,339.38-15,660.30-10,102.51

Finding the Fourth Proportional to 11,339.38, 15,660.30 and 10,102.51

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Solution

The fourth proportional to 11,339.38, 15,660.30 and 10,102.51 is: 13,952.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,339.38 : 15,660.30 = 10,102.51 : x
  2. Step 2: Convert to fraction form
    11,339.38/15,660.30 = 10,102.51/x
  3. Step 3: Cross multiply
    11,339.38x = 15,660.30 × 10,102.51
  4. Step 4: Simplify right side
    11,339.38x = 158,208,337.35
  5. Step 5: Solve for x
    x = 158,208,337.35/11,339.38
  6. Step 6: Final answer
    x = 13,952.12

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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.