Home / 11,158.62-15,399.15-6,312.96

Finding the Fourth Proportional to 11,158.62, 15,399.15 and 6,312.96

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Solution

The fourth proportional to 11,158.62, 15,399.15 and 6,312.96 is: 8,712.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,158.62 : 15,399.15 = 6,312.96 : x
  2. Step 2: Convert to fraction form
    11,158.62/15,399.15 = 6,312.96/x
  3. Step 3: Cross multiply
    11,158.62x = 15,399.15 × 6,312.96
  4. Step 4: Simplify right side
    11,158.62x = 97,214,217.98
  5. Step 5: Solve for x
    x = 97,214,217.98/11,158.62
  6. Step 6: Final answer
    x = 8,712.03

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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.