Home / 15,479.40-23,219.10-6,708.20

Finding the Fourth Proportional to 15,479.40, 23,219.10 and 6,708.20

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Solution

The fourth proportional to 15,479.40, 23,219.10 and 6,708.20 is: 10,062.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,479.40 : 23,219.10 = 6,708.20 : x
  2. Step 2: Convert to fraction form
    15,479.40/23,219.10 = 6,708.20/x
  3. Step 3: Cross multiply
    15,479.40x = 23,219.10 × 6,708.20
  4. Step 4: Simplify right side
    15,479.40x = 155,758,366.62
  5. Step 5: Solve for x
    x = 155,758,366.62/15,479.40
  6. Step 6: Final answer
    x = 10,062.30

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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.