Home / 15,149.92-22,718.40-6,828.16

Finding the Fourth Proportional to 15,149.92, 22,718.40 and 6,828.16

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Solution

The fourth proportional to 15,149.92, 22,718.40 and 6,828.16 is: 10,239.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,149.92 : 22,718.40 = 6,828.16 : x
  2. Step 2: Convert to fraction form
    15,149.92/22,718.40 = 6,828.16/x
  3. Step 3: Cross multiply
    15,149.92x = 22,718.40 × 6,828.16
  4. Step 4: Simplify right side
    15,149.92x = 155,124,870.14
  5. Step 5: Solve for x
    x = 155,124,870.14/15,149.92
  6. Step 6: Final answer
    x = 10,239.32

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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.