Home / 9,661.90-13,335.57-5,886.33

Finding the Fourth Proportional to 9,661.90, 13,335.57 and 5,886.33

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Solution

The fourth proportional to 9,661.90, 13,335.57 and 5,886.33 is: 8,124.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,661.90 : 13,335.57 = 5,886.33 : x
  2. Step 2: Convert to fraction form
    9,661.90/13,335.57 = 5,886.33/x
  3. Step 3: Cross multiply
    9,661.90x = 13,335.57 × 5,886.33
  4. Step 4: Simplify right side
    9,661.90x = 78,497,565.76
  5. Step 5: Solve for x
    x = 78,497,565.76/9,661.90
  6. Step 6: Final answer
    x = 8,124.44

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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.