Home / 15,841.40-23,765.68-6,480.18

Finding the Fourth Proportional to 15,841.40, 23,765.68 and 6,480.18

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Solution

The fourth proportional to 15,841.40, 23,765.68 and 6,480.18 is: 9,721.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,841.40 : 23,765.68 = 6,480.18 : x
  2. Step 2: Convert to fraction form
    15,841.40/23,765.68 = 6,480.18/x
  3. Step 3: Cross multiply
    15,841.40x = 23,765.68 × 6,480.18
  4. Step 4: Simplify right side
    15,841.40x = 154,005,998.66
  5. Step 5: Solve for x
    x = 154,005,998.66/15,841.40
  6. Step 6: Final answer
    x = 9,721.74

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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.