Home / 20,560.56-28,373.46-11,607.98

Finding the Fourth Proportional to 20,560.56, 28,373.46 and 11,607.98

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Solution

The fourth proportional to 20,560.56, 28,373.46 and 11,607.98 is: 16,018.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,560.56 : 28,373.46 = 11,607.98 : x
  2. Step 2: Convert to fraction form
    20,560.56/28,373.46 = 11,607.98/x
  3. Step 3: Cross multiply
    20,560.56x = 28,373.46 × 11,607.98
  4. Step 4: Simplify right side
    20,560.56x = 329,358,556.21
  5. Step 5: Solve for x
    x = 329,358,556.21/20,560.56
  6. Step 6: Final answer
    x = 16,018.95

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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.