Home / 20,597.26-28,422.51-11,644.30

Finding the Fourth Proportional to 20,597.26, 28,422.51 and 11,644.30

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Solution

The fourth proportional to 20,597.26, 28,422.51 and 11,644.30 is: 16,068.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,597.26 : 28,422.51 = 11,644.30 : x
  2. Step 2: Convert to fraction form
    20,597.26/28,422.51 = 11,644.30/x
  3. Step 3: Cross multiply
    20,597.26x = 28,422.51 × 11,644.30
  4. Step 4: Simplify right side
    20,597.26x = 330,960,233.19
  5. Step 5: Solve for x
    x = 330,960,233.19/20,597.26
  6. Step 6: Final answer
    x = 16,068.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.