Home / 20,837.24-31,265.80-9,742.31

Finding the Fourth Proportional to 20,837.24, 31,265.80 and 9,742.31

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Solution

The fourth proportional to 20,837.24, 31,265.80 and 9,742.31 is: 14,618.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,837.24 : 31,265.80 = 9,742.31 : x
  2. Step 2: Convert to fraction form
    20,837.24/31,265.80 = 9,742.31/x
  3. Step 3: Cross multiply
    20,837.24x = 31,265.80 × 9,742.31
  4. Step 4: Simplify right side
    20,837.24x = 304,600,935.31
  5. Step 5: Solve for x
    x = 304,600,935.31/20,837.24
  6. Step 6: Final answer
    x = 14,618.11

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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.