Home / 15,560.46-21,473.58-8,486.82

Finding the Fourth Proportional to 15,560.46, 21,473.58 and 8,486.82

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Solution

The fourth proportional to 15,560.46, 21,473.58 and 8,486.82 is: 11,711.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,560.46 : 21,473.58 = 8,486.82 : x
  2. Step 2: Convert to fraction form
    15,560.46/21,473.58 = 8,486.82/x
  3. Step 3: Cross multiply
    15,560.46x = 21,473.58 × 8,486.82
  4. Step 4: Simplify right side
    15,560.46x = 182,242,408.22
  5. Step 5: Solve for x
    x = 182,242,408.22/15,560.46
  6. Step 6: Final answer
    x = 11,711.89

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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.