Home / 18,112.08-24,991.92-10,153.20

Finding the Fourth Proportional to 18,112.08, 24,991.92 and 10,153.20

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Solution

The fourth proportional to 18,112.08, 24,991.92 and 10,153.20 is: 14,009.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,112.08 : 24,991.92 = 10,153.20 : x
  2. Step 2: Convert to fraction form
    18,112.08/24,991.92 = 10,153.20/x
  3. Step 3: Cross multiply
    18,112.08x = 24,991.92 × 10,153.20
  4. Step 4: Simplify right side
    18,112.08x = 253,747,962.14
  5. Step 5: Solve for x
    x = 253,747,962.14/18,112.08
  6. Step 6: Final answer
    x = 14,009.87

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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.