Home / 13,526.97-20,276.07-7,982.91

Finding the Fourth Proportional to 13,526.97, 20,276.07 and 7,982.91

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Solution

The fourth proportional to 13,526.97, 20,276.07 and 7,982.91 is: 11,965.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,526.97 : 20,276.07 = 7,982.91 : x
  2. Step 2: Convert to fraction form
    13,526.97/20,276.07 = 7,982.91/x
  3. Step 3: Cross multiply
    13,526.97x = 20,276.07 × 7,982.91
  4. Step 4: Simplify right side
    13,526.97x = 161,862,041.96
  5. Step 5: Solve for x
    x = 161,862,041.96/13,526.97
  6. Step 6: Final answer
    x = 11,965.88

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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.