Home / 20,726.62-31,085.37-8,244.32

Finding the Fourth Proportional to 20,726.62, 31,085.37 and 8,244.32

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Solution

The fourth proportional to 20,726.62, 31,085.37 and 8,244.32 is: 12,364.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,726.62 : 31,085.37 = 8,244.32 : x
  2. Step 2: Convert to fraction form
    20,726.62/31,085.37 = 8,244.32/x
  3. Step 3: Cross multiply
    20,726.62x = 31,085.37 × 8,244.32
  4. Step 4: Simplify right side
    20,726.62x = 256,277,582.17
  5. Step 5: Solve for x
    x = 256,277,582.17/20,726.62
  6. Step 6: Final answer
    x = 12,364.66

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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.