Home / 9,140.90-13,710.45-6,198.24

Finding the Fourth Proportional to 9,140.90, 13,710.45 and 6,198.24

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Solution

The fourth proportional to 9,140.90, 13,710.45 and 6,198.24 is: 9,296.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.90 : 13,710.45 = 6,198.24 : x
  2. Step 2: Convert to fraction form
    9,140.90/13,710.45 = 6,198.24/x
  3. Step 3: Cross multiply
    9,140.90x = 13,710.45 × 6,198.24
  4. Step 4: Simplify right side
    9,140.90x = 84,980,659.61
  5. Step 5: Solve for x
    x = 84,980,659.61/9,140.90
  6. Step 6: Final answer
    x = 9,296.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.