Home / 19,821.24-27,335.84-12,266.36

Finding the Fourth Proportional to 19,821.24, 27,335.84 and 12,266.36

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Solution

The fourth proportional to 19,821.24, 27,335.84 and 12,266.36 is: 16,916.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,821.24 : 27,335.84 = 12,266.36 : x
  2. Step 2: Convert to fraction form
    19,821.24/27,335.84 = 12,266.36/x
  3. Step 3: Cross multiply
    19,821.24x = 27,335.84 × 12,266.36
  4. Step 4: Simplify right side
    19,821.24x = 335,311,254.34
  5. Step 5: Solve for x
    x = 335,311,254.34/19,821.24
  6. Step 6: Final answer
    x = 16,916.76

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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.