Home / 15,810.67-21,819.70-9,096.15

Finding the Fourth Proportional to 15,810.67, 21,819.70 and 9,096.15

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Solution

The fourth proportional to 15,810.67, 21,819.70 and 9,096.15 is: 12,553.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,810.67 : 21,819.70 = 9,096.15 : x
  2. Step 2: Convert to fraction form
    15,810.67/21,819.70 = 9,096.15/x
  3. Step 3: Cross multiply
    15,810.67x = 21,819.70 × 9,096.15
  4. Step 4: Simplify right side
    15,810.67x = 198,475,260.20
  5. Step 5: Solve for x
    x = 198,475,260.20/15,810.67
  6. Step 6: Final answer
    x = 12,553.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.