Home / 13,302.48-19,915.11-7,738.86

Finding the Fourth Proportional to 13,302.48, 19,915.11 and 7,738.86

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Solution

The fourth proportional to 13,302.48, 19,915.11 and 7,738.86 is: 11,585.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.48 : 19,915.11 = 7,738.86 : x
  2. Step 2: Convert to fraction form
    13,302.48/19,915.11 = 7,738.86/x
  3. Step 3: Cross multiply
    13,302.48x = 19,915.11 × 7,738.86
  4. Step 4: Simplify right side
    13,302.48x = 154,120,248.17
  5. Step 5: Solve for x
    x = 154,120,248.17/13,302.48
  6. Step 6: Final answer
    x = 11,585.83

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1.5x scale

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.