Home / 13,718.28-20,577.40-5,392.48

Finding the Fourth Proportional to 13,718.28, 20,577.40 and 5,392.48

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Solution

The fourth proportional to 13,718.28, 20,577.40 and 5,392.48 is: 8,088.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,718.28 : 20,577.40 = 5,392.48 : x
  2. Step 2: Convert to fraction form
    13,718.28/20,577.40 = 5,392.48/x
  3. Step 3: Cross multiply
    13,718.28x = 20,577.40 × 5,392.48
  4. Step 4: Simplify right side
    13,718.28x = 110,963,217.95
  5. Step 5: Solve for x
    x = 110,963,217.95/13,718.28
  6. Step 6: Final answer
    x = 8,088.71

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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.