Home / 34,186.45-51,275.84-13,111.71

Finding the Fourth Proportional to 34,186.45, 51,275.84 and 13,111.71

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Solution

The fourth proportional to 34,186.45, 51,275.84 and 13,111.71 is: 19,666.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,186.45 : 51,275.84 = 13,111.71 : x
  2. Step 2: Convert to fraction form
    34,186.45/51,275.84 = 13,111.71/x
  3. Step 3: Cross multiply
    34,186.45x = 51,275.84 × 13,111.71
  4. Step 4: Simplify right side
    34,186.45x = 672,313,867.33
  5. Step 5: Solve for x
    x = 672,313,867.33/34,186.45
  6. Step 6: Final answer
    x = 19,666.09

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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.