Home / 19,387.28-26,753.76-11,846.22

Finding the Fourth Proportional to 19,387.28, 26,753.76 and 11,846.22

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Solution

The fourth proportional to 19,387.28, 26,753.76 and 11,846.22 is: 16,347.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387.28 : 26,753.76 = 11,846.22 : x
  2. Step 2: Convert to fraction form
    19,387.28/26,753.76 = 11,846.22/x
  3. Step 3: Cross multiply
    19,387.28x = 26,753.76 × 11,846.22
  4. Step 4: Simplify right side
    19,387.28x = 316,930,826.46
  5. Step 5: Solve for x
    x = 316,930,826.46/19,387.28
  6. Step 6: Final answer
    x = 16,347.36

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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.