Home / 17,099.91-23,583.15-11,129.40

Finding the Fourth Proportional to 17,099.91, 23,583.15 and 11,129.40

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Solution

The fourth proportional to 17,099.91, 23,583.15 and 11,129.40 is: 15,348.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,099.91 : 23,583.15 = 11,129.40 : x
  2. Step 2: Convert to fraction form
    17,099.91/23,583.15 = 11,129.40/x
  3. Step 3: Cross multiply
    17,099.91x = 23,583.15 × 11,129.40
  4. Step 4: Simplify right side
    17,099.91x = 262,466,309.61
  5. Step 5: Solve for x
    x = 262,466,309.61/17,099.91
  6. Step 6: Final answer
    x = 15,348.99

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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.