Home / 22,114.30-30,515.50-13,615.08

Finding the Fourth Proportional to 22,114.30, 30,515.50 and 13,615.08

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Solution

The fourth proportional to 22,114.30, 30,515.50 and 13,615.08 is: 18,787.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,114.30 : 30,515.50 = 13,615.08 : x
  2. Step 2: Convert to fraction form
    22,114.30/30,515.50 = 13,615.08/x
  3. Step 3: Cross multiply
    22,114.30x = 30,515.50 × 13,615.08
  4. Step 4: Simplify right side
    22,114.30x = 415,470,973.74
  5. Step 5: Solve for x
    x = 415,470,973.74/22,114.30
  6. Step 6: Final answer
    x = 18,787.43

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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.