Home / 21,162.63-31,737.51-6,367.62

Finding the Fourth Proportional to 21,162.63, 31,737.51 and 6,367.62

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Solution

The fourth proportional to 21,162.63, 31,737.51 and 6,367.62 is: 9,549.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,162.63 : 31,737.51 = 6,367.62 : x
  2. Step 2: Convert to fraction form
    21,162.63/31,737.51 = 6,367.62/x
  3. Step 3: Cross multiply
    21,162.63x = 31,737.51 × 6,367.62
  4. Step 4: Simplify right side
    21,162.63x = 202,092,403.43
  5. Step 5: Solve for x
    x = 202,092,403.43/21,162.63
  6. Step 6: Final answer
    x = 9,549.49

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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.