Home / 10,272.60-14,176.20-5,556.88

Finding the Fourth Proportional to 10,272.60, 14,176.20 and 5,556.88

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Solution

The fourth proportional to 10,272.60, 14,176.20 and 5,556.88 is: 7,668.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,272.60 : 14,176.20 = 5,556.88 : x
  2. Step 2: Convert to fraction form
    10,272.60/14,176.20 = 5,556.88/x
  3. Step 3: Cross multiply
    10,272.60x = 14,176.20 × 5,556.88
  4. Step 4: Simplify right side
    10,272.60x = 78,775,442.26
  5. Step 5: Solve for x
    x = 78,775,442.26/10,272.60
  6. Step 6: Final answer
    x = 7,668.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.