Home / 15,515.80-23,274.40-4,423.26

Finding the Fourth Proportional to 15,515.80, 23,274.40 and 4,423.26

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Solution

The fourth proportional to 15,515.80, 23,274.40 and 4,423.26 is: 6,635.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,515.80 : 23,274.40 = 4,423.26 : x
  2. Step 2: Convert to fraction form
    15,515.80/23,274.40 = 4,423.26/x
  3. Step 3: Cross multiply
    15,515.80x = 23,274.40 × 4,423.26
  4. Step 4: Simplify right side
    15,515.80x = 102,948,722.54
  5. Step 5: Solve for x
    x = 102,948,722.54/15,515.80
  6. Step 6: Final answer
    x = 6,635.09

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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.