Home / 19,112.30-26,373.47-10,613.61

Finding the Fourth Proportional to 19,112.30, 26,373.47 and 10,613.61

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Solution

The fourth proportional to 19,112.30, 26,373.47 and 10,613.61 is: 14,645.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,112.30 : 26,373.47 = 10,613.61 : x
  2. Step 2: Convert to fraction form
    19,112.30/26,373.47 = 10,613.61/x
  3. Step 3: Cross multiply
    19,112.30x = 26,373.47 × 10,613.61
  4. Step 4: Simplify right side
    19,112.30x = 279,917,687.24
  5. Step 5: Solve for x
    x = 279,917,687.24/19,112.30
  6. Step 6: Final answer
    x = 14,645.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.