Home / 13,504.64-20,263.03-8,572.95

Finding the Fourth Proportional to 13,504.64, 20,263.03 and 8,572.95

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Solution

The fourth proportional to 13,504.64, 20,263.03 and 8,572.95 is: 12,863.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,504.64 : 20,263.03 = 8,572.95 : x
  2. Step 2: Convert to fraction form
    13,504.64/20,263.03 = 8,572.95/x
  3. Step 3: Cross multiply
    13,504.64x = 20,263.03 × 8,572.95
  4. Step 4: Simplify right side
    13,504.64x = 173,713,921.61
  5. Step 5: Solve for x
    x = 173,713,921.61/13,504.64
  6. Step 6: Final answer
    x = 12,863.28

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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.