Home / 11,210.78-15,471.57-6,175.00

Finding the Fourth Proportional to 11,210.78, 15,471.57 and 6,175.00

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Solution

The fourth proportional to 11,210.78, 15,471.57 and 6,175.00 is: 8,521.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210.78 : 15,471.57 = 6,175.00 : x
  2. Step 2: Convert to fraction form
    11,210.78/15,471.57 = 6,175.00/x
  3. Step 3: Cross multiply
    11,210.78x = 15,471.57 × 6,175.00
  4. Step 4: Simplify right side
    11,210.78x = 95,536,890.55
  5. Step 5: Solve for x
    x = 95,536,890.55/11,210.78
  6. Step 6: Final answer
    x = 8,521.88

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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.