Home / 20,837.71-31,256.57-9,752.18

Finding the Fourth Proportional to 20,837.71, 31,256.57 and 9,752.18

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Solution

The fourth proportional to 20,837.71, 31,256.57 and 9,752.18 is: 14,628.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,837.71 : 31,256.57 = 9,752.18 : x
  2. Step 2: Convert to fraction form
    20,837.71/31,256.57 = 9,752.18/x
  3. Step 3: Cross multiply
    20,837.71x = 31,256.57 × 9,752.18
  4. Step 4: Simplify right side
    20,837.71x = 304,819,755.44
  5. Step 5: Solve for x
    x = 304,819,755.44/20,837.71
  6. Step 6: Final answer
    x = 14,628.27

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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.