Home / 10,166.68-15,250.80-3,147.40

Finding the Fourth Proportional to 10,166.68, 15,250.80 and 3,147.40

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Solution

The fourth proportional to 10,166.68, 15,250.80 and 3,147.40 is: 4,721.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,166.68 : 15,250.80 = 3,147.40 : x
  2. Step 2: Convert to fraction form
    10,166.68/15,250.80 = 3,147.40/x
  3. Step 3: Cross multiply
    10,166.68x = 15,250.80 × 3,147.40
  4. Step 4: Simplify right side
    10,166.68x = 48,000,367.92
  5. Step 5: Solve for x
    x = 48,000,367.92/10,166.68
  6. Step 6: Final answer
    x = 4,721.34

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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.