Home / 15,190.04-20,962.17-8,475.66

Finding the Fourth Proportional to 15,190.04, 20,962.17 and 8,475.66

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Solution

The fourth proportional to 15,190.04, 20,962.17 and 8,475.66 is: 11,696.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,190.04 : 20,962.17 = 8,475.66 : x
  2. Step 2: Convert to fraction form
    15,190.04/20,962.17 = 8,475.66/x
  3. Step 3: Cross multiply
    15,190.04x = 20,962.17 × 8,475.66
  4. Step 4: Simplify right side
    15,190.04x = 177,668,225.78
  5. Step 5: Solve for x
    x = 177,668,225.78/15,190.04
  6. Step 6: Final answer
    x = 11,696.37

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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.