Home / 13,809.44-19,044.78-9,032.06

Finding the Fourth Proportional to 13,809.44, 19,044.78 and 9,032.06

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Solution

The fourth proportional to 13,809.44, 19,044.78 and 9,032.06 is: 12,456.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,809.44 : 19,044.78 = 9,032.06 : x
  2. Step 2: Convert to fraction form
    13,809.44/19,044.78 = 9,032.06/x
  3. Step 3: Cross multiply
    13,809.44x = 19,044.78 × 9,032.06
  4. Step 4: Simplify right side
    13,809.44x = 172,013,595.65
  5. Step 5: Solve for x
    x = 172,013,595.65/13,809.44
  6. Step 6: Final answer
    x = 12,456.23

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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.