Home / 13,718.28-20,577.36-4,484.28

Finding the Fourth Proportional to 13,718.28, 20,577.36 and 4,484.28

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Solution

The fourth proportional to 13,718.28, 20,577.36 and 4,484.28 is: 6,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,718.28 : 20,577.36 = 4,484.28 : x
  2. Step 2: Convert to fraction form
    13,718.28/20,577.36 = 4,484.28/x
  3. Step 3: Cross multiply
    13,718.28x = 20,577.36 × 4,484.28
  4. Step 4: Simplify right side
    13,718.28x = 92,274,643.90
  5. Step 5: Solve for x
    x = 92,274,643.90/13,718.28
  6. Step 6: Final answer
    x = 6,726.40

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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.