Home / 15,429.12-23,146.91-8,768.73

Finding the Fourth Proportional to 15,429.12, 23,146.91 and 8,768.73

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Solution

The fourth proportional to 15,429.12, 23,146.91 and 8,768.73 is: 13,154.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,429.12 : 23,146.91 = 8,768.73 : x
  2. Step 2: Convert to fraction form
    15,429.12/23,146.91 = 8,768.73/x
  3. Step 3: Cross multiply
    15,429.12x = 23,146.91 × 8,768.73
  4. Step 4: Simplify right side
    15,429.12x = 202,969,064.19
  5. Step 5: Solve for x
    x = 202,969,064.19/15,429.12
  6. Step 6: Final answer
    x = 13,154.93

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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.