Home / 22,608.79-31,200.39-12,537.35

Finding the Fourth Proportional to 22,608.79, 31,200.39 and 12,537.35

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Solution

The fourth proportional to 22,608.79, 31,200.39 and 12,537.35 is: 17,301.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,608.79 : 31,200.39 = 12,537.35 : x
  2. Step 2: Convert to fraction form
    22,608.79/31,200.39 = 12,537.35/x
  3. Step 3: Cross multiply
    22,608.79x = 31,200.39 × 12,537.35
  4. Step 4: Simplify right side
    22,608.79x = 391,170,170.57
  5. Step 5: Solve for x
    x = 391,170,170.57/22,608.79
  6. Step 6: Final answer
    x = 17,301.69

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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.