Home / 8,706.33-12,017.70-5,349.29

Finding the Fourth Proportional to 8,706.33, 12,017.70 and 5,349.29

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Solution

The fourth proportional to 8,706.33, 12,017.70 and 5,349.29 is: 7,383.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,706.33 : 12,017.70 = 5,349.29 : x
  2. Step 2: Convert to fraction form
    8,706.33/12,017.70 = 5,349.29/x
  3. Step 3: Cross multiply
    8,706.33x = 12,017.70 × 5,349.29
  4. Step 4: Simplify right side
    8,706.33x = 64,286,102.34
  5. Step 5: Solve for x
    x = 64,286,102.34/8,706.33
  6. Step 6: Final answer
    x = 7,383.83

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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.