Home / 18,878.46-26,053.56-12,494.04

Finding the Fourth Proportional to 18,878.46, 26,053.56 and 12,494.04

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Solution

The fourth proportional to 18,878.46, 26,053.56 and 12,494.04 is: 17,242.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,878.46 : 26,053.56 = 12,494.04 : x
  2. Step 2: Convert to fraction form
    18,878.46/26,053.56 = 12,494.04/x
  3. Step 3: Cross multiply
    18,878.46x = 26,053.56 × 12,494.04
  4. Step 4: Simplify right side
    18,878.46x = 325,514,220.78
  5. Step 5: Solve for x
    x = 325,514,220.78/18,878.46
  6. Step 6: Final answer
    x = 17,242.63

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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.