Home / 15,510.40-23,269.20-5,122.14

Finding the Fourth Proportional to 15,510.40, 23,269.20 and 5,122.14

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Solution

The fourth proportional to 15,510.40, 23,269.20 and 5,122.14 is: 7,684.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,510.40 : 23,269.20 = 5,122.14 : x
  2. Step 2: Convert to fraction form
    15,510.40/23,269.20 = 5,122.14/x
  3. Step 3: Cross multiply
    15,510.40x = 23,269.20 × 5,122.14
  4. Step 4: Simplify right side
    15,510.40x = 119,188,100.09
  5. Step 5: Solve for x
    x = 119,188,100.09/15,510.40
  6. Step 6: Final answer
    x = 7,684.40

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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.