Home / 12,723.94-17,559.22-9,531.58

Finding the Fourth Proportional to 12,723.94, 17,559.22 and 9,531.58

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Solution

The fourth proportional to 12,723.94, 17,559.22 and 9,531.58 is: 13,153.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,723.94 : 17,559.22 = 9,531.58 : x
  2. Step 2: Convert to fraction form
    12,723.94/17,559.22 = 9,531.58/x
  3. Step 3: Cross multiply
    12,723.94x = 17,559.22 × 9,531.58
  4. Step 4: Simplify right side
    12,723.94x = 167,367,110.17
  5. Step 5: Solve for x
    x = 167,367,110.17/12,723.94
  6. Step 6: Final answer
    x = 13,153.72

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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.