Home / 9,830.31-13,565.75-6,847.80

Finding the Fourth Proportional to 9,830.31, 13,565.75 and 6,847.80

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Solution

The fourth proportional to 9,830.31, 13,565.75 and 6,847.80 is: 9,449.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,830.31 : 13,565.75 = 6,847.80 : x
  2. Step 2: Convert to fraction form
    9,830.31/13,565.75 = 6,847.80/x
  3. Step 3: Cross multiply
    9,830.31x = 13,565.75 × 6,847.80
  4. Step 4: Simplify right side
    9,830.31x = 92,895,508.61
  5. Step 5: Solve for x
    x = 92,895,508.61/9,830.31
  6. Step 6: Final answer
    x = 9,449.91

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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.