Home / 21,282.26-31,934.32-9,444.14

Finding the Fourth Proportional to 21,282.26, 31,934.32 and 9,444.14

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Solution

The fourth proportional to 21,282.26, 31,934.32 and 9,444.14 is: 14,171.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,282.26 : 31,934.32 = 9,444.14 : x
  2. Step 2: Convert to fraction form
    21,282.26/31,934.32 = 9,444.14/x
  3. Step 3: Cross multiply
    21,282.26x = 31,934.32 × 9,444.14
  4. Step 4: Simplify right side
    21,282.26x = 301,592,125.36
  5. Step 5: Solve for x
    x = 301,592,125.36/21,282.26
  6. Step 6: Final answer
    x = 14,171.06

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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.