Home / 21,035.86-31,551.06-6,244.48

Finding the Fourth Proportional to 21,035.86, 31,551.06 and 6,244.48

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Solution

The fourth proportional to 21,035.86, 31,551.06 and 6,244.48 is: 9,365.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,035.86 : 31,551.06 = 6,244.48 : x
  2. Step 2: Convert to fraction form
    21,035.86/31,551.06 = 6,244.48/x
  3. Step 3: Cross multiply
    21,035.86x = 31,551.06 × 6,244.48
  4. Step 4: Simplify right side
    21,035.86x = 197,019,963.15
  5. Step 5: Solve for x
    x = 197,019,963.15/21,035.86
  6. Step 6: Final answer
    x = 9,365.91

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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.