Home / 13,937.16-20,899.85-5,614.95

Finding the Fourth Proportional to 13,937.16, 20,899.85 and 5,614.95

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Solution

The fourth proportional to 13,937.16, 20,899.85 and 5,614.95 is: 8,420.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,937.16 : 20,899.85 = 5,614.95 : x
  2. Step 2: Convert to fraction form
    13,937.16/20,899.85 = 5,614.95/x
  3. Step 3: Cross multiply
    13,937.16x = 20,899.85 × 5,614.95
  4. Step 4: Simplify right side
    13,937.16x = 117,351,518.30
  5. Step 5: Solve for x
    x = 117,351,518.30/13,937.16
  6. Step 6: Final answer
    x = 8,420.04

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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.