Home / 10,151.07-15,260.91-8,200.80

Finding the Fourth Proportional to 10,151.07, 15,260.91 and 8,200.80

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Solution

The fourth proportional to 10,151.07, 15,260.91 and 8,200.80 is: 12,328.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,151.07 : 15,260.91 = 8,200.80 : x
  2. Step 2: Convert to fraction form
    10,151.07/15,260.91 = 8,200.80/x
  3. Step 3: Cross multiply
    10,151.07x = 15,260.91 × 8,200.80
  4. Step 4: Simplify right side
    10,151.07x = 125,151,670.73
  5. Step 5: Solve for x
    x = 125,151,670.73/10,151.07
  6. Step 6: Final answer
    x = 12,328.91

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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.