Home / 22,421.87-30,940.96-12,348.34

Finding the Fourth Proportional to 22,421.87, 30,940.96 and 12,348.34

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Solution

The fourth proportional to 22,421.87, 30,940.96 and 12,348.34 is: 17,040.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421.87 : 30,940.96 = 12,348.34 : x
  2. Step 2: Convert to fraction form
    22,421.87/30,940.96 = 12,348.34/x
  3. Step 3: Cross multiply
    22,421.87x = 30,940.96 × 12,348.34
  4. Step 4: Simplify right side
    22,421.87x = 382,069,494.01
  5. Step 5: Solve for x
    x = 382,069,494.01/22,421.87
  6. Step 6: Final answer
    x = 17,040.04

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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.