Home / 11,386.04-17,079.05-3,986.45

Finding the Fourth Proportional to 11,386.04, 17,079.05 and 3,986.45

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Solution

The fourth proportional to 11,386.04, 17,079.05 and 3,986.45 is: 5,979.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,386.04 : 17,079.05 = 3,986.45 : x
  2. Step 2: Convert to fraction form
    11,386.04/17,079.05 = 3,986.45/x
  3. Step 3: Cross multiply
    11,386.04x = 17,079.05 × 3,986.45
  4. Step 4: Simplify right side
    11,386.04x = 68,084,767.49
  5. Step 5: Solve for x
    x = 68,084,767.49/11,386.04
  6. Step 6: Final answer
    x = 5,979.67

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.