Home / 11,541.70-17,312.55-8,247.70

Finding the Fourth Proportional to 11,541.70, 17,312.55 and 8,247.70

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Solution

The fourth proportional to 11,541.70, 17,312.55 and 8,247.70 is: 12,371.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,541.70 : 17,312.55 = 8,247.70 : x
  2. Step 2: Convert to fraction form
    11,541.70/17,312.55 = 8,247.70/x
  3. Step 3: Cross multiply
    11,541.70x = 17,312.55 × 8,247.70
  4. Step 4: Simplify right side
    11,541.70x = 142,788,718.64
  5. Step 5: Solve for x
    x = 142,788,718.64/11,541.70
  6. Step 6: Final answer
    x = 12,371.55

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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.