Home / 11,326.99-15,631.53-6,291.17

Finding the Fourth Proportional to 11,326.99, 15,631.53 and 6,291.17

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Solution

The fourth proportional to 11,326.99, 15,631.53 and 6,291.17 is: 8,681.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326.99 : 15,631.53 = 6,291.17 : x
  2. Step 2: Convert to fraction form
    11,326.99/15,631.53 = 6,291.17/x
  3. Step 3: Cross multiply
    11,326.99x = 15,631.53 × 6,291.17
  4. Step 4: Simplify right side
    11,326.99x = 98,340,604.85
  5. Step 5: Solve for x
    x = 98,340,604.85/11,326.99
  6. Step 6: Final answer
    x = 8,681.97

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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.