Home / 11,382.06-15,701.28-9,259.93

Finding the Fourth Proportional to 11,382.06, 15,701.28 and 9,259.93

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Solution

The fourth proportional to 11,382.06, 15,701.28 and 9,259.93 is: 12,773.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,382.06 : 15,701.28 = 9,259.93 : x
  2. Step 2: Convert to fraction form
    11,382.06/15,701.28 = 9,259.93/x
  3. Step 3: Cross multiply
    11,382.06x = 15,701.28 × 9,259.93
  4. Step 4: Simplify right side
    11,382.06x = 145,392,738.61
  5. Step 5: Solve for x
    x = 145,392,738.61/11,382.06
  6. Step 6: Final answer
    x = 12,773.85

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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.