Home / 12,959.05-19,337.48-11,562.79

Finding the Fourth Proportional to 12,959.05, 19,337.48 and 11,562.79

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Solution

The fourth proportional to 12,959.05, 19,337.48 and 11,562.79 is: 17,253.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,959.05 : 19,337.48 = 11,562.79 : x
  2. Step 2: Convert to fraction form
    12,959.05/19,337.48 = 11,562.79/x
  3. Step 3: Cross multiply
    12,959.05x = 19,337.48 × 11,562.79
  4. Step 4: Simplify right side
    12,959.05x = 223,595,162.56
  5. Step 5: Solve for x
    x = 223,595,162.56/12,959.05
  6. Step 6: Final answer
    x = 17,253.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.