Home / 10,612.08-15,916.68-2,820.24

Finding the Fourth Proportional to 10,612.08, 15,916.68 and 2,820.24

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Solution

The fourth proportional to 10,612.08, 15,916.68 and 2,820.24 is: 4,229.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,612.08 : 15,916.68 = 2,820.24 : x
  2. Step 2: Convert to fraction form
    10,612.08/15,916.68 = 2,820.24/x
  3. Step 3: Cross multiply
    10,612.08x = 15,916.68 × 2,820.24
  4. Step 4: Simplify right side
    10,612.08x = 44,888,857.60
  5. Step 5: Solve for x
    x = 44,888,857.60/10,612.08
  6. Step 6: Final answer
    x = 4,229.98

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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.