Home / 20,159.95-30,244.17-7,011.83

Finding the Fourth Proportional to 20,159.95, 30,244.17 and 7,011.83

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Solution

The fourth proportional to 20,159.95, 30,244.17 and 7,011.83 is: 10,519.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,159.95 : 30,244.17 = 7,011.83 : x
  2. Step 2: Convert to fraction form
    20,159.95/30,244.17 = 7,011.83/x
  3. Step 3: Cross multiply
    20,159.95x = 30,244.17 × 7,011.83
  4. Step 4: Simplify right side
    20,159.95x = 212,066,978.53
  5. Step 5: Solve for x
    x = 212,066,978.53/20,159.95
  6. Step 6: Final answer
    x = 10,519.22

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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.