Home / 20,267.46-30,404.24-7,117.52

Finding the Fourth Proportional to 20,267.46, 30,404.24 and 7,117.52

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Solution

The fourth proportional to 20,267.46, 30,404.24 and 7,117.52 is: 10,677.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,267.46 : 30,404.24 = 7,117.52 : x
  2. Step 2: Convert to fraction form
    20,267.46/30,404.24 = 7,117.52/x
  3. Step 3: Cross multiply
    20,267.46x = 30,404.24 × 7,117.52
  4. Step 4: Simplify right side
    20,267.46x = 216,402,786.28
  5. Step 5: Solve for x
    x = 216,402,786.28/20,267.46
  6. Step 6: Final answer
    x = 10,677.35

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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.