Home / 20,601.46-28,425.29-11,647.01

Finding the Fourth Proportional to 20,601.46, 28,425.29 and 11,647.01

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Solution

The fourth proportional to 20,601.46, 28,425.29 and 11,647.01 is: 16,070.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,601.46 : 28,425.29 = 11,647.01 : x
  2. Step 2: Convert to fraction form
    20,601.46/28,425.29 = 11,647.01/x
  3. Step 3: Cross multiply
    20,601.46x = 28,425.29 × 11,647.01
  4. Step 4: Simplify right side
    20,601.46x = 331,069,543.12
  5. Step 5: Solve for x
    x = 331,069,543.12/20,601.46
  6. Step 6: Final answer
    x = 16,070.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.