Home / 10,220.50-15,336.63-4,296.88

Finding the Fourth Proportional to 10,220.50, 15,336.63 and 4,296.88

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Solution

The fourth proportional to 10,220.50, 15,336.63 and 4,296.88 is: 6,447.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220.50 : 15,336.63 = 4,296.88 : x
  2. Step 2: Convert to fraction form
    10,220.50/15,336.63 = 4,296.88/x
  3. Step 3: Cross multiply
    10,220.50x = 15,336.63 × 4,296.88
  4. Step 4: Simplify right side
    10,220.50x = 65,899,658.71
  5. Step 5: Solve for x
    x = 65,899,658.71/10,220.50
  6. Step 6: Final answer
    x = 6,447.79

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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.