Home / 15,210.93-22,819.10-6,890.61

Finding the Fourth Proportional to 15,210.93, 22,819.10 and 6,890.61

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Solution

The fourth proportional to 15,210.93, 22,819.10 and 6,890.61 is: 10,337.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,210.93 : 22,819.10 = 6,890.61 : x
  2. Step 2: Convert to fraction form
    15,210.93/22,819.10 = 6,890.61/x
  3. Step 3: Cross multiply
    15,210.93x = 22,819.10 × 6,890.61
  4. Step 4: Simplify right side
    15,210.93x = 157,237,484.20
  5. Step 5: Solve for x
    x = 157,237,484.20/15,210.93
  6. Step 6: Final answer
    x = 10,337.14

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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.