Home / 13,973.12-20,961.76-4,614.13

Finding the Fourth Proportional to 13,973.12, 20,961.76 and 4,614.13

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Solution

The fourth proportional to 13,973.12, 20,961.76 and 4,614.13 is: 6,921.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.12 : 20,961.76 = 4,614.13 : x
  2. Step 2: Convert to fraction form
    13,973.12/20,961.76 = 4,614.13/x
  3. Step 3: Cross multiply
    13,973.12x = 20,961.76 × 4,614.13
  4. Step 4: Simplify right side
    13,973.12x = 96,720,192.40
  5. Step 5: Solve for x
    x = 96,720,192.40/13,973.12
  6. Step 6: Final answer
    x = 6,921.88

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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.