Home / 20,264.56-27,959.90-12,306.92

Finding the Fourth Proportional to 20,264.56, 27,959.90 and 12,306.92

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Solution

The fourth proportional to 20,264.56, 27,959.90 and 12,306.92 is: 16,980.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,264.56 : 27,959.90 = 12,306.92 : x
  2. Step 2: Convert to fraction form
    20,264.56/27,959.90 = 12,306.92/x
  3. Step 3: Cross multiply
    20,264.56x = 27,959.90 × 12,306.92
  4. Step 4: Simplify right side
    20,264.56x = 344,100,252.51
  5. Step 5: Solve for x
    x = 344,100,252.51/20,264.56
  6. Step 6: Final answer
    x = 16,980.40

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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.