Home / 11,317.54-15,618.18-6,281.82

Finding the Fourth Proportional to 11,317.54, 15,618.18 and 6,281.82

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Solution

The fourth proportional to 11,317.54, 15,618.18 and 6,281.82 is: 8,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,317.54 : 15,618.18 = 6,281.82 : x
  2. Step 2: Convert to fraction form
    11,317.54/15,618.18 = 6,281.82/x
  3. Step 3: Cross multiply
    11,317.54x = 15,618.18 × 6,281.82
  4. Step 4: Simplify right side
    11,317.54x = 98,110,595.49
  5. Step 5: Solve for x
    x = 98,110,595.49/11,317.54
  6. Step 6: Final answer
    x = 8,668.90

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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.