Home / 15,910.90-23,876.10-6,555.40

Finding the Fourth Proportional to 15,910.90, 23,876.10 and 6,555.40

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Solution

The fourth proportional to 15,910.90, 23,876.10 and 6,555.40 is: 9,837.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,910.90 : 23,876.10 = 6,555.40 : x
  2. Step 2: Convert to fraction form
    15,910.90/23,876.10 = 6,555.40/x
  3. Step 3: Cross multiply
    15,910.90x = 23,876.10 × 6,555.40
  4. Step 4: Simplify right side
    15,910.90x = 156,517,385.94
  5. Step 5: Solve for x
    x = 156,517,385.94/15,910.90
  6. Step 6: Final answer
    x = 9,837.12

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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.