Home / 20,488.38-30,713.13-7,333.98

Finding the Fourth Proportional to 20,488.38, 30,713.13 and 7,333.98

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Solution

The fourth proportional to 20,488.38, 30,713.13 and 7,333.98 is: 10,994.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,488.38 : 30,713.13 = 7,333.98 : x
  2. Step 2: Convert to fraction form
    20,488.38/30,713.13 = 7,333.98/x
  3. Step 3: Cross multiply
    20,488.38x = 30,713.13 × 7,333.98
  4. Step 4: Simplify right side
    20,488.38x = 225,249,481.16
  5. Step 5: Solve for x
    x = 225,249,481.16/20,488.38
  6. Step 6: Final answer
    x = 10,994.01

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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.