Home / 18,236.35-25,164.65-10,280.53

Finding the Fourth Proportional to 18,236.35, 25,164.65 and 10,280.53

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Solution

The fourth proportional to 18,236.35, 25,164.65 and 10,280.53 is: 14,186.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,236.35 : 25,164.65 = 10,280.53 : x
  2. Step 2: Convert to fraction form
    18,236.35/25,164.65 = 10,280.53/x
  3. Step 3: Cross multiply
    18,236.35x = 25,164.65 × 10,280.53
  4. Step 4: Simplify right side
    18,236.35x = 258,705,996.42
  5. Step 5: Solve for x
    x = 258,705,996.42/18,236.35
  6. Step 6: Final answer
    x = 14,186.28

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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.