Home / 17,908.45-26,862.51-10,890.41

Finding the Fourth Proportional to 17,908.45, 26,862.51 and 10,890.41

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Solution

The fourth proportional to 17,908.45, 26,862.51 and 10,890.41 is: 16,335.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,908.45 : 26,862.51 = 10,890.41 : x
  2. Step 2: Convert to fraction form
    17,908.45/26,862.51 = 10,890.41/x
  3. Step 3: Cross multiply
    17,908.45x = 26,862.51 × 10,890.41
  4. Step 4: Simplify right side
    17,908.45x = 292,543,642.31
  5. Step 5: Solve for x
    x = 292,543,642.31/17,908.45
  6. Step 6: Final answer
    x = 16,335.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.