Home / 13,510.19-20,223.76-11,517.29

Finding the Fourth Proportional to 13,510.19, 20,223.76 and 11,517.29

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Solution

The fourth proportional to 13,510.19, 20,223.76 and 11,517.29 is: 17,240.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,510.19 : 20,223.76 = 11,517.29 : x
  2. Step 2: Convert to fraction form
    13,510.19/20,223.76 = 11,517.29/x
  3. Step 3: Cross multiply
    13,510.19x = 20,223.76 × 11,517.29
  4. Step 4: Simplify right side
    13,510.19x = 232,922,750.11
  5. Step 5: Solve for x
    x = 232,922,750.11/13,510.19
  6. Step 6: Final answer
    x = 17,240.53

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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.