Home / 11,184.74-15,434.35-6,147.99

Finding the Fourth Proportional to 11,184.74, 15,434.35 and 6,147.99

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Solution

The fourth proportional to 11,184.74, 15,434.35 and 6,147.99 is: 8,483.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,184.74 : 15,434.35 = 6,147.99 : x
  2. Step 2: Convert to fraction form
    11,184.74/15,434.35 = 6,147.99/x
  3. Step 3: Cross multiply
    11,184.74x = 15,434.35 × 6,147.99
  4. Step 4: Simplify right side
    11,184.74x = 94,890,243.03
  5. Step 5: Solve for x
    x = 94,890,243.03/11,184.74
  6. Step 6: Final answer
    x = 8,483.90

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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.