Home / 15,531.89-23,305.05-6,649.92

Finding the Fourth Proportional to 15,531.89, 23,305.05 and 6,649.92

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Solution

The fourth proportional to 15,531.89, 23,305.05 and 6,649.92 is: 9,977.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,531.89 : 23,305.05 = 6,649.92 : x
  2. Step 2: Convert to fraction form
    15,531.89/23,305.05 = 6,649.92/x
  3. Step 3: Cross multiply
    15,531.89x = 23,305.05 × 6,649.92
  4. Step 4: Simplify right side
    15,531.89x = 154,976,718.10
  5. Step 5: Solve for x
    x = 154,976,718.10/15,531.89
  6. Step 6: Final answer
    x = 9,977.97

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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.