Home / 20,332.10-30,498.16-13,356.20

Finding the Fourth Proportional to 20,332.10, 30,498.16 and 13,356.20

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Solution

The fourth proportional to 20,332.10, 30,498.16 and 13,356.20 is: 20,034.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,332.10 : 30,498.16 = 13,356.20 : x
  2. Step 2: Convert to fraction form
    20,332.10/30,498.16 = 13,356.20/x
  3. Step 3: Cross multiply
    20,332.10x = 30,498.16 × 13,356.20
  4. Step 4: Simplify right side
    20,332.10x = 407,339,524.59
  5. Step 5: Solve for x
    x = 407,339,524.59/20,332.10
  6. Step 6: Final answer
    x = 20,034.31

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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.