Home / 18,854.35-26,018.89-10,240.54

Finding the Fourth Proportional to 18,854.35, 26,018.89 and 10,240.54

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Solution

The fourth proportional to 18,854.35, 26,018.89 and 10,240.54 is: 14,131.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,854.35 : 26,018.89 = 10,240.54 : x
  2. Step 2: Convert to fraction form
    18,854.35/26,018.89 = 10,240.54/x
  3. Step 3: Cross multiply
    18,854.35x = 26,018.89 × 10,240.54
  4. Step 4: Simplify right side
    18,854.35x = 266,447,393.15
  5. Step 5: Solve for x
    x = 266,447,393.15/18,854.35
  6. Step 6: Final answer
    x = 14,131.88

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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.