Home / 22,749.09-31,386.34-12,675.59

Finding the Fourth Proportional to 22,749.09, 31,386.34 and 12,675.59

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Solution

The fourth proportional to 22,749.09, 31,386.34 and 12,675.59 is: 17,488.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,749.09 : 31,386.34 = 12,675.59 : x
  2. Step 2: Convert to fraction form
    22,749.09/31,386.34 = 12,675.59/x
  3. Step 3: Cross multiply
    22,749.09x = 31,386.34 × 12,675.59
  4. Step 4: Simplify right side
    22,749.09x = 397,840,377.44
  5. Step 5: Solve for x
    x = 397,840,377.44/22,749.09
  6. Step 6: Final answer
    x = 17,488.19

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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.