Home / 10,006.76-15,009.90-4,458.68

Finding the Fourth Proportional to 10,006.76, 15,009.90 and 4,458.68

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Solution

The fourth proportional to 10,006.76, 15,009.90 and 4,458.68 is: 6,687.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,006.76 : 15,009.90 = 4,458.68 : x
  2. Step 2: Convert to fraction form
    10,006.76/15,009.90 = 4,458.68/x
  3. Step 3: Cross multiply
    10,006.76x = 15,009.90 × 4,458.68
  4. Step 4: Simplify right side
    10,006.76x = 66,924,340.93
  5. Step 5: Solve for x
    x = 66,924,340.93/10,006.76
  6. Step 6: Final answer
    x = 6,687.91

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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.