Home / 15,449.40-23,184.90-6,690.60

Finding the Fourth Proportional to 15,449.40, 23,184.90 and 6,690.60

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Solution

The fourth proportional to 15,449.40, 23,184.90 and 6,690.60 is: 10,040.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,449.40 : 23,184.90 = 6,690.60 : x
  2. Step 2: Convert to fraction form
    15,449.40/23,184.90 = 6,690.60/x
  3. Step 3: Cross multiply
    15,449.40x = 23,184.90 × 6,690.60
  4. Step 4: Simplify right side
    15,449.40x = 155,120,891.94
  5. Step 5: Solve for x
    x = 155,120,891.94/15,449.40
  6. Step 6: Final answer
    x = 10,040.58

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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.