Home / 17,803.18-26,687.31-9,909.46

Finding the Fourth Proportional to 17,803.18, 26,687.31 and 9,909.46

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Solution

The fourth proportional to 17,803.18, 26,687.31 and 9,909.46 is: 14,854.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,803.18 : 26,687.31 = 9,909.46 : x
  2. Step 2: Convert to fraction form
    17,803.18/26,687.31 = 9,909.46/x
  3. Step 3: Cross multiply
    17,803.18x = 26,687.31 × 9,909.46
  4. Step 4: Simplify right side
    17,803.18x = 264,456,830.95
  5. Step 5: Solve for x
    x = 264,456,830.95/17,803.18
  6. Step 6: Final answer
    x = 14,854.47

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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.