Home / 18,148.88-25,044.06-10,189.56

Finding the Fourth Proportional to 18,148.88, 25,044.06 and 10,189.56

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Solution

The fourth proportional to 18,148.88, 25,044.06 and 10,189.56 is: 14,060.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148.88 : 25,044.06 = 10,189.56 : x
  2. Step 2: Convert to fraction form
    18,148.88/25,044.06 = 10,189.56/x
  3. Step 3: Cross multiply
    18,148.88x = 25,044.06 × 10,189.56
  4. Step 4: Simplify right side
    18,148.88x = 255,187,952.01
  5. Step 5: Solve for x
    x = 255,187,952.01/18,148.88
  6. Step 6: Final answer
    x = 14,060.81

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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.