Home / 18,010.10-26,998.95-11,432.90

Finding the Fourth Proportional to 18,010.10, 26,998.95 and 11,432.90

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Solution

The fourth proportional to 18,010.10, 26,998.95 and 11,432.90 is: 17,139.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,010.10 : 26,998.95 = 11,432.90 : x
  2. Step 2: Convert to fraction form
    18,010.10/26,998.95 = 11,432.90/x
  3. Step 3: Cross multiply
    18,010.10x = 26,998.95 × 11,432.90
  4. Step 4: Simplify right side
    18,010.10x = 308,676,295.46
  5. Step 5: Solve for x
    x = 308,676,295.46/18,010.10
  6. Step 6: Final answer
    x = 17,139.07

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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.