Home / 12,410.75-18,614.28-5,015.04

Finding the Fourth Proportional to 12,410.75, 18,614.28 and 5,015.04

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Solution

The fourth proportional to 12,410.75, 18,614.28 and 5,015.04 is: 7,521.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,410.75 : 18,614.28 = 5,015.04 : x
  2. Step 2: Convert to fraction form
    12,410.75/18,614.28 = 5,015.04/x
  3. Step 3: Cross multiply
    12,410.75x = 18,614.28 × 5,015.04
  4. Step 4: Simplify right side
    12,410.75x = 93,351,358.77
  5. Step 5: Solve for x
    x = 93,351,358.77/12,410.75
  6. Step 6: Final answer
    x = 7,521.82

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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.