Home / 22,292.91-30,756.34-12,725.90

Finding the Fourth Proportional to 22,292.91, 30,756.34 and 12,725.90

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Solution

The fourth proportional to 22,292.91, 30,756.34 and 12,725.90 is: 17,557.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,292.91 : 30,756.34 = 12,725.90 : x
  2. Step 2: Convert to fraction form
    22,292.91/30,756.34 = 12,725.90/x
  3. Step 3: Cross multiply
    22,292.91x = 30,756.34 × 12,725.90
  4. Step 4: Simplify right side
    22,292.91x = 391,402,107.21
  5. Step 5: Solve for x
    x = 391,402,107.21/22,292.91
  6. Step 6: Final answer
    x = 17,557.25

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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.