Home / 15,706.25-23,501.03-8,785.61

Finding the Fourth Proportional to 15,706.25, 23,501.03 and 8,785.61

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Solution

The fourth proportional to 15,706.25, 23,501.03 and 8,785.61 is: 13,145.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,706.25 : 23,501.03 = 8,785.61 : x
  2. Step 2: Convert to fraction form
    15,706.25/23,501.03 = 8,785.61/x
  3. Step 3: Cross multiply
    15,706.25x = 23,501.03 × 8,785.61
  4. Step 4: Simplify right side
    15,706.25x = 206,470,788.64
  5. Step 5: Solve for x
    x = 206,470,788.64/15,706.25
  6. Step 6: Final answer
    x = 13,145.78

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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.