Home / 11,281.10-15,566.90-6,245.24

Finding the Fourth Proportional to 11,281.10, 15,566.90 and 6,245.24

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Solution

The fourth proportional to 11,281.10, 15,566.90 and 6,245.24 is: 8,617.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.10 : 15,566.90 = 6,245.24 : x
  2. Step 2: Convert to fraction form
    11,281.10/15,566.90 = 6,245.24/x
  3. Step 3: Cross multiply
    11,281.10x = 15,566.90 × 6,245.24
  4. Step 4: Simplify right side
    11,281.10x = 97,219,026.56
  5. Step 5: Solve for x
    x = 97,219,026.56/11,281.10
  6. Step 6: Final answer
    x = 8,617.87

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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.