Home / 9,840.12-13,578.36-6,062.70

Finding the Fourth Proportional to 9,840.12, 13,578.36 and 6,062.70

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Solution

The fourth proportional to 9,840.12, 13,578.36 and 6,062.70 is: 8,365.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,840.12 : 13,578.36 = 6,062.70 : x
  2. Step 2: Convert to fraction form
    9,840.12/13,578.36 = 6,062.70/x
  3. Step 3: Cross multiply
    9,840.12x = 13,578.36 × 6,062.70
  4. Step 4: Simplify right side
    9,840.12x = 82,321,523.17
  5. Step 5: Solve for x
    x = 82,321,523.17/9,840.12
  6. Step 6: Final answer
    x = 8,365.91

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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.