Home / 10,151.77-15,225.56-3,909.64

Finding the Fourth Proportional to 10,151.77, 15,225.56 and 3,909.64

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Solution

The fourth proportional to 10,151.77, 15,225.56 and 3,909.64 is: 5,863.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,151.77 : 15,225.56 = 3,909.64 : x
  2. Step 2: Convert to fraction form
    10,151.77/15,225.56 = 3,909.64/x
  3. Step 3: Cross multiply
    10,151.77x = 15,225.56 × 3,909.64
  4. Step 4: Simplify right side
    10,151.77x = 59,526,362.72
  5. Step 5: Solve for x
    x = 59,526,362.72/10,151.77
  6. Step 6: Final answer
    x = 5,863.65

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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.