Home / 10,391.10-15,586.64-2,599.91

Finding the Fourth Proportional to 10,391.10, 15,586.64 and 2,599.91

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Solution

The fourth proportional to 10,391.10, 15,586.64 and 2,599.91 is: 3,899.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,391.10 : 15,586.64 = 2,599.91 : x
  2. Step 2: Convert to fraction form
    10,391.10/15,586.64 = 2,599.91/x
  3. Step 3: Cross multiply
    10,391.10x = 15,586.64 × 2,599.91
  4. Step 4: Simplify right side
    10,391.10x = 40,523,861.20
  5. Step 5: Solve for x
    x = 40,523,861.20/10,391.10
  6. Step 6: Final answer
    x = 3,899.86

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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.