Home / 18,129.18-25,018.45-10,062.98

Finding the Fourth Proportional to 18,129.18, 25,018.45 and 10,062.98

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Solution

The fourth proportional to 18,129.18, 25,018.45 and 10,062.98 is: 13,887.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,129.18 : 25,018.45 = 10,062.98 : x
  2. Step 2: Convert to fraction form
    18,129.18/25,018.45 = 10,062.98/x
  3. Step 3: Cross multiply
    18,129.18x = 25,018.45 × 10,062.98
  4. Step 4: Simplify right side
    18,129.18x = 251,760,161.98
  5. Step 5: Solve for x
    x = 251,760,161.98/18,129.18
  6. Step 6: Final answer
    x = 13,887.02

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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.