Home / 20,159.43-30,244.59-7,012.53

Finding the Fourth Proportional to 20,159.43, 30,244.59 and 7,012.53

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Solution

The fourth proportional to 20,159.43, 30,244.59 and 7,012.53 is: 10,520.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,159.43 : 30,244.59 = 7,012.53 : x
  2. Step 2: Convert to fraction form
    20,159.43/30,244.59 = 7,012.53/x
  3. Step 3: Cross multiply
    20,159.43x = 30,244.59 × 7,012.53
  4. Step 4: Simplify right side
    20,159.43x = 212,091,094.71
  5. Step 5: Solve for x
    x = 212,091,094.71/20,159.43
  6. Step 6: Final answer
    x = 10,520.69

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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.