Home / 11,337.28-15,648.54-7,358.18

Finding the Fourth Proportional to 11,337.28, 15,648.54 and 7,358.18

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Solution

The fourth proportional to 11,337.28, 15,648.54 and 7,358.18 is: 10,156.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,337.28 : 15,648.54 = 7,358.18 : x
  2. Step 2: Convert to fraction form
    11,337.28/15,648.54 = 7,358.18/x
  3. Step 3: Cross multiply
    11,337.28x = 15,648.54 × 7,358.18
  4. Step 4: Simplify right side
    11,337.28x = 115,144,774.06
  5. Step 5: Solve for x
    x = 115,144,774.06/11,337.28
  6. Step 6: Final answer
    x = 10,156.30

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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.