Home / 21,035.12-31,557.84-6,244.06

Finding the Fourth Proportional to 21,035.12, 31,557.84 and 6,244.06

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Solution

The fourth proportional to 21,035.12, 31,557.84 and 6,244.06 is: 9,367.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,035.12 : 31,557.84 = 6,244.06 : x
  2. Step 2: Convert to fraction form
    21,035.12/31,557.84 = 6,244.06/x
  3. Step 3: Cross multiply
    21,035.12x = 31,557.84 × 6,244.06
  4. Step 4: Simplify right side
    21,035.12x = 197,048,918.69
  5. Step 5: Solve for x
    x = 197,048,918.69/21,035.12
  6. Step 6: Final answer
    x = 9,367.61

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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.