Home / 15,589.14-21,511.89-8,514.06

Finding the Fourth Proportional to 15,589.14, 21,511.89 and 8,514.06

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Solution

The fourth proportional to 15,589.14, 21,511.89 and 8,514.06 is: 11,748.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,589.14 : 21,511.89 = 8,514.06 : x
  2. Step 2: Convert to fraction form
    15,589.14/21,511.89 = 8,514.06/x
  3. Step 3: Cross multiply
    15,589.14x = 21,511.89 × 8,514.06
  4. Step 4: Simplify right side
    15,589.14x = 183,153,522.17
  5. Step 5: Solve for x
    x = 183,153,522.17/15,589.14
  6. Step 6: Final answer
    x = 11,748.79

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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.