Home / 18,159.78-25,060.38-10,202.70

Finding the Fourth Proportional to 18,159.78, 25,060.38 and 10,202.70

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Solution

The fourth proportional to 18,159.78, 25,060.38 and 10,202.70 is: 14,079.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,159.78 : 25,060.38 = 10,202.70 : x
  2. Step 2: Convert to fraction form
    18,159.78/25,060.38 = 10,202.70/x
  3. Step 3: Cross multiply
    18,159.78x = 25,060.38 × 10,202.70
  4. Step 4: Simplify right side
    18,159.78x = 255,683,539.03
  5. Step 5: Solve for x
    x = 255,683,539.03/18,159.78
  6. Step 6: Final answer
    x = 14,079.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.