Home / 10,006.85-15,009.05-4,162.70

Finding the Fourth Proportional to 10,006.85, 15,009.05 and 4,162.70

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Solution

The fourth proportional to 10,006.85, 15,009.05 and 4,162.70 is: 6,243.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,006.85 : 15,009.05 = 4,162.70 : x
  2. Step 2: Convert to fraction form
    10,006.85/15,009.05 = 4,162.70/x
  3. Step 3: Cross multiply
    10,006.85x = 15,009.05 × 4,162.70
  4. Step 4: Simplify right side
    10,006.85x = 62,478,076.58
  5. Step 5: Solve for x
    x = 62,478,076.58/10,006.85
  6. Step 6: Final answer
    x = 6,243.53

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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.