Home / 12,698.24-19,034.12-5,306.96

Finding the Fourth Proportional to 12,698.24, 19,034.12 and 5,306.96

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Solution

The fourth proportional to 12,698.24, 19,034.12 and 5,306.96 is: 7,954.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,698.24 : 19,034.12 = 5,306.96 : x
  2. Step 2: Convert to fraction form
    12,698.24/19,034.12 = 5,306.96/x
  3. Step 3: Cross multiply
    12,698.24x = 19,034.12 × 5,306.96
  4. Step 4: Simplify right side
    12,698.24x = 101,013,313.48
  5. Step 5: Solve for x
    x = 101,013,313.48/12,698.24
  6. Step 6: Final answer
    x = 7,954.91

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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.