Home / 10,138.82-14,001.18-9,586.59

Finding the Fourth Proportional to 10,138.82, 14,001.18 and 9,586.59

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Solution

The fourth proportional to 10,138.82, 14,001.18 and 9,586.59 is: 13,238.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,138.82 : 14,001.18 = 9,586.59 : x
  2. Step 2: Convert to fraction form
    10,138.82/14,001.18 = 9,586.59/x
  3. Step 3: Cross multiply
    10,138.82x = 14,001.18 × 9,586.59
  4. Step 4: Simplify right side
    10,138.82x = 134,223,572.18
  5. Step 5: Solve for x
    x = 134,223,572.18/10,138.82
  6. Step 6: Final answer
    x = 13,238.59

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Double scale
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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.