Home / 19,658.24-27,133.92-12,948.96

Finding the Fourth Proportional to 19,658.24, 27,133.92 and 12,948.96

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Solution

The fourth proportional to 19,658.24, 27,133.92 and 12,948.96 is: 17,873.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,658.24 : 27,133.92 = 12,948.96 : x
  2. Step 2: Convert to fraction form
    19,658.24/27,133.92 = 12,948.96/x
  3. Step 3: Cross multiply
    19,658.24x = 27,133.92 × 12,948.96
  4. Step 4: Simplify right side
    19,658.24x = 351,356,044.72
  5. Step 5: Solve for x
    x = 351,356,044.72/19,658.24
  6. Step 6: Final answer
    x = 17,873.22

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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.