Home / 18,878.09-26,053.12-11,324.74

Finding the Fourth Proportional to 18,878.09, 26,053.12 and 11,324.74

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Solution

The fourth proportional to 18,878.09, 26,053.12 and 11,324.74 is: 15,628.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,878.09 : 26,053.12 = 11,324.74 : x
  2. Step 2: Convert to fraction form
    18,878.09/26,053.12 = 11,324.74/x
  3. Step 3: Cross multiply
    18,878.09x = 26,053.12 × 11,324.74
  4. Step 4: Simplify right side
    18,878.09x = 295,044,810.19
  5. Step 5: Solve for x
    x = 295,044,810.19/18,878.09
  6. Step 6: Final answer
    x = 15,628.95

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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.