Home / 13,947.16-20,924.04-4,587.21

Finding the Fourth Proportional to 13,947.16, 20,924.04 and 4,587.21

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Solution

The fourth proportional to 13,947.16, 20,924.04 and 4,587.21 is: 6,881.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,947.16 : 20,924.04 = 4,587.21 : x
  2. Step 2: Convert to fraction form
    13,947.16/20,924.04 = 4,587.21/x
  3. Step 3: Cross multiply
    13,947.16x = 20,924.04 × 4,587.21
  4. Step 4: Simplify right side
    13,947.16x = 95,982,965.53
  5. Step 5: Solve for x
    x = 95,982,965.53/13,947.16
  6. Step 6: Final answer
    x = 6,881.90

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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.