Home / 12,755.40-17,601.11-7,089.24

Finding the Fourth Proportional to 12,755.40, 17,601.11 and 7,089.24

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Solution

The fourth proportional to 12,755.40, 17,601.11 and 7,089.24 is: 9,782.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,755.40 : 17,601.11 = 7,089.24 : x
  2. Step 2: Convert to fraction form
    12,755.40/17,601.11 = 7,089.24/x
  3. Step 3: Cross multiply
    12,755.40x = 17,601.11 × 7,089.24
  4. Step 4: Simplify right side
    12,755.40x = 124,778,422.77
  5. Step 5: Solve for x
    x = 124,778,422.77/12,755.40
  6. Step 6: Final answer
    x = 9,782.40

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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.