Home / 9,209.28-13,808.70-6,291.12

Finding the Fourth Proportional to 9,209.28, 13,808.70 and 6,291.12

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Solution

The fourth proportional to 9,209.28, 13,808.70 and 6,291.12 is: 9,433.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,209.28 : 13,808.70 = 6,291.12 : x
  2. Step 2: Convert to fraction form
    9,209.28/13,808.70 = 6,291.12/x
  3. Step 3: Cross multiply
    9,209.28x = 13,808.70 × 6,291.12
  4. Step 4: Simplify right side
    9,209.28x = 86,872,188.74
  5. Step 5: Solve for x
    x = 86,872,188.74/9,209.28
  6. Step 6: Final answer
    x = 9,433.11

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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.