Home / 13,237.76-19,853.61-7,902.44

Finding the Fourth Proportional to 13,237.76, 19,853.61 and 7,902.44

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Solution

The fourth proportional to 13,237.76, 19,853.61 and 7,902.44 is: 11,851.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.76 : 19,853.61 = 7,902.44 : x
  2. Step 2: Convert to fraction form
    13,237.76/19,853.61 = 7,902.44/x
  3. Step 3: Cross multiply
    13,237.76x = 19,853.61 × 7,902.44
  4. Step 4: Simplify right side
    13,237.76x = 156,891,961.81
  5. Step 5: Solve for x
    x = 156,891,961.81/13,237.76
  6. Step 6: Final answer
    x = 11,851.85

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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.