Home / 21,084.48-31,625.64-6,293.52

Finding the Fourth Proportional to 21,084.48, 31,625.64 and 6,293.52

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Solution

The fourth proportional to 21,084.48, 31,625.64 and 6,293.52 is: 9,439.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,084.48 : 31,625.64 = 6,293.52 : x
  2. Step 2: Convert to fraction form
    21,084.48/31,625.64 = 6,293.52/x
  3. Step 3: Cross multiply
    21,084.48x = 31,625.64 × 6,293.52
  4. Step 4: Simplify right side
    21,084.48x = 199,036,597.85
  5. Step 5: Solve for x
    x = 199,036,597.85/21,084.48
  6. Step 6: Final answer
    x = 9,439.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.