Home / 10,060.68-15,078.78-4,210.44

Finding the Fourth Proportional to 10,060.68, 15,078.78 and 4,210.44

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Solution

The fourth proportional to 10,060.68, 15,078.78 and 4,210.44 is: 6,310.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,060.68 : 15,078.78 = 4,210.44 : x
  2. Step 2: Convert to fraction form
    10,060.68/15,078.78 = 4,210.44/x
  3. Step 3: Cross multiply
    10,060.68x = 15,078.78 × 4,210.44
  4. Step 4: Simplify right side
    10,060.68x = 63,488,298.46
  5. Step 5: Solve for x
    x = 63,488,298.46/10,060.68
  6. Step 6: Final answer
    x = 6,310.54

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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.