Home / 12,558.06-18,910.14-9,294.30

Finding the Fourth Proportional to 12,558.06, 18,910.14 and 9,294.30

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Solution

The fourth proportional to 12,558.06, 18,910.14 and 9,294.30 is: 13,995.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558.06 : 18,910.14 = 9,294.30 : x
  2. Step 2: Convert to fraction form
    12,558.06/18,910.14 = 9,294.30/x
  3. Step 3: Cross multiply
    12,558.06x = 18,910.14 × 9,294.30
  4. Step 4: Simplify right side
    12,558.06x = 175,756,514.20
  5. Step 5: Solve for x
    x = 175,756,514.20/12,558.06
  6. Step 6: Final answer
    x = 13,995.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.