Home / 13,728.32-20,600.25-6,332.77

Finding the Fourth Proportional to 13,728.32, 20,600.25 and 6,332.77

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Solution

The fourth proportional to 13,728.32, 20,600.25 and 6,332.77 is: 9,502.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,728.32 : 20,600.25 = 6,332.77 : x
  2. Step 2: Convert to fraction form
    13,728.32/20,600.25 = 6,332.77/x
  3. Step 3: Cross multiply
    13,728.32x = 20,600.25 × 6,332.77
  4. Step 4: Simplify right side
    13,728.32x = 130,456,645.19
  5. Step 5: Solve for x
    x = 130,456,645.19/13,728.32
  6. Step 6: Final answer
    x = 9,502.74

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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.