Home / 11,307.25-15,604.20-6,271.69

Finding the Fourth Proportional to 11,307.25, 15,604.20 and 6,271.69

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Solution

The fourth proportional to 11,307.25, 15,604.20 and 6,271.69 is: 8,655.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,307.25 : 15,604.20 = 6,271.69 : x
  2. Step 2: Convert to fraction form
    11,307.25/15,604.20 = 6,271.69/x
  3. Step 3: Cross multiply
    11,307.25x = 15,604.20 × 6,271.69
  4. Step 4: Simplify right side
    11,307.25x = 97,864,705.10
  5. Step 5: Solve for x
    x = 97,864,705.10/11,307.25
  6. Step 6: Final answer
    x = 8,655.04

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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.