Home / 10,160.10-15,276.60-8,556.30

Finding the Fourth Proportional to 10,160.10, 15,276.60 and 8,556.30

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Solution

The fourth proportional to 10,160.10, 15,276.60 and 8,556.30 is: 12,865.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,160.10 : 15,276.60 = 8,556.30 : x
  2. Step 2: Convert to fraction form
    10,160.10/15,276.60 = 8,556.30/x
  3. Step 3: Cross multiply
    10,160.10x = 15,276.60 × 8,556.30
  4. Step 4: Simplify right side
    10,160.10x = 130,711,172.58
  5. Step 5: Solve for x
    x = 130,711,172.58/10,160.10
  6. Step 6: Final answer
    x = 12,865.15

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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.