Home / 9,889.30-13,641.44-5,854.74

Finding the Fourth Proportional to 9,889.30, 13,641.44 and 5,854.74

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Solution

The fourth proportional to 9,889.30, 13,641.44 and 5,854.74 is: 8,076.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,889.30 : 13,641.44 = 5,854.74 : x
  2. Step 2: Convert to fraction form
    9,889.30/13,641.44 = 5,854.74/x
  3. Step 3: Cross multiply
    9,889.30x = 13,641.44 × 5,854.74
  4. Step 4: Simplify right side
    9,889.30x = 79,867,084.43
  5. Step 5: Solve for x
    x = 79,867,084.43/9,889.30
  6. Step 6: Final answer
    x = 8,076.11

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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.