Home / 11,394.08-15,724.21-6,613.67

Finding the Fourth Proportional to 11,394.08, 15,724.21 and 6,613.67

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Solution

The fourth proportional to 11,394.08, 15,724.21 and 6,613.67 is: 9,127.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,394.08 : 15,724.21 = 6,613.67 : x
  2. Step 2: Convert to fraction form
    11,394.08/15,724.21 = 6,613.67/x
  3. Step 3: Cross multiply
    11,394.08x = 15,724.21 × 6,613.67
  4. Step 4: Simplify right side
    11,394.08x = 103,994,640.80
  5. Step 5: Solve for x
    x = 103,994,640.80/11,394.08
  6. Step 6: Final answer
    x = 9,127.07

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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.