Home / 21,042.48-31,568.58-6,251.07

Finding the Fourth Proportional to 21,042.48, 31,568.58 and 6,251.07

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Solution

The fourth proportional to 21,042.48, 31,568.58 and 6,251.07 is: 9,378.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,042.48 : 31,568.58 = 6,251.07 : x
  2. Step 2: Convert to fraction form
    21,042.48/31,568.58 = 6,251.07/x
  3. Step 3: Cross multiply
    21,042.48x = 31,568.58 × 6,251.07
  4. Step 4: Simplify right side
    21,042.48x = 197,337,403.38
  5. Step 5: Solve for x
    x = 197,337,403.38/21,042.48
  6. Step 6: Final answer
    x = 9,378.05

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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.