Home / 20,373.12-30,552.39-11,020.05

Finding the Fourth Proportional to 20,373.12, 30,552.39 and 11,020.05

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Solution

The fourth proportional to 20,373.12, 30,552.39 and 11,020.05 is: 16,526.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,373.12 : 30,552.39 = 11,020.05 : x
  2. Step 2: Convert to fraction form
    20,373.12/30,552.39 = 11,020.05/x
  3. Step 3: Cross multiply
    20,373.12x = 30,552.39 × 11,020.05
  4. Step 4: Simplify right side
    20,373.12x = 336,688,865.42
  5. Step 5: Solve for x
    x = 336,688,865.42/20,373.12
  6. Step 6: Final answer
    x = 16,526.13

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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.