Home / 10,531.70-15,789.60-6,370.82

Finding the Fourth Proportional to 10,531.70, 15,789.60 and 6,370.82

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Solution

The fourth proportional to 10,531.70, 15,789.60 and 6,370.82 is: 9,551.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.70 : 15,789.60 = 6,370.82 : x
  2. Step 2: Convert to fraction form
    10,531.70/15,789.60 = 6,370.82/x
  3. Step 3: Cross multiply
    10,531.70x = 15,789.60 × 6,370.82
  4. Step 4: Simplify right side
    10,531.70x = 100,592,699.47
  5. Step 5: Solve for x
    x = 100,592,699.47/10,531.70
  6. Step 6: Final answer
    x = 9,551.42

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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.