Home / 22,543.37-31,107.09-12,470.43

Finding the Fourth Proportional to 22,543.37, 31,107.09 and 12,470.43

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Solution

The fourth proportional to 22,543.37, 31,107.09 and 12,470.43 is: 17,207.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,543.37 : 31,107.09 = 12,470.43 : x
  2. Step 2: Convert to fraction form
    22,543.37/31,107.09 = 12,470.43/x
  3. Step 3: Cross multiply
    22,543.37x = 31,107.09 × 12,470.43
  4. Step 4: Simplify right side
    22,543.37x = 387,918,788.35
  5. Step 5: Solve for x
    x = 387,918,788.35/22,543.37
  6. Step 6: Final answer
    x = 17,207.67

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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.