Home / 17,921.55-24,763.50-12,902.43

Finding the Fourth Proportional to 17,921.55, 24,763.50 and 12,902.43

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Solution

The fourth proportional to 17,921.55, 24,763.50 and 12,902.43 is: 17,828.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,921.55 : 24,763.50 = 12,902.43 : x
  2. Step 2: Convert to fraction form
    17,921.55/24,763.50 = 12,902.43/x
  3. Step 3: Cross multiply
    17,921.55x = 24,763.50 × 12,902.43
  4. Step 4: Simplify right side
    17,921.55x = 319,509,325.31
  5. Step 5: Solve for x
    x = 319,509,325.31/17,921.55
  6. Step 6: Final answer
    x = 17,828.22

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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.