Home / 22,253.63-30,713.45-12,693.54

Finding the Fourth Proportional to 22,253.63, 30,713.45 and 12,693.54

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Solution

The fourth proportional to 22,253.63, 30,713.45 and 12,693.54 is: 17,519.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,253.63 : 30,713.45 = 12,693.54 : x
  2. Step 2: Convert to fraction form
    22,253.63/30,713.45 = 12,693.54/x
  3. Step 3: Cross multiply
    22,253.63x = 30,713.45 × 12,693.54
  4. Step 4: Simplify right side
    22,253.63x = 389,862,342.65
  5. Step 5: Solve for x
    x = 389,862,342.65/22,253.63
  6. Step 6: Final answer
    x = 17,519.05

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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.