Home / 9,860.40-13,599.66-6,323.88

Finding the Fourth Proportional to 9,860.40, 13,599.66 and 6,323.88

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Solution

The fourth proportional to 9,860.40, 13,599.66 and 6,323.88 is: 8,722.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,860.40 : 13,599.66 = 6,323.88 : x
  2. Step 2: Convert to fraction form
    9,860.40/13,599.66 = 6,323.88/x
  3. Step 3: Cross multiply
    9,860.40x = 13,599.66 × 6,323.88
  4. Step 4: Simplify right side
    9,860.40x = 86,002,617.88
  5. Step 5: Solve for x
    x = 86,002,617.88/9,860.40
  6. Step 6: Final answer
    x = 8,722.02

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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.