Home / 17,921.66-24,734.59-12,902.50

Finding the Fourth Proportional to 17,921.66, 24,734.59 and 12,902.50

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Solution

The fourth proportional to 17,921.66, 24,734.59 and 12,902.50 is: 17,807.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,921.66 : 24,734.59 = 12,902.50 : x
  2. Step 2: Convert to fraction form
    17,921.66/24,734.59 = 12,902.50/x
  3. Step 3: Cross multiply
    17,921.66x = 24,734.59 × 12,902.50
  4. Step 4: Simplify right side
    17,921.66x = 319,137,953.38
  5. Step 5: Solve for x
    x = 319,137,953.38/17,921.66
  6. Step 6: Final answer
    x = 17,807.39

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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.