Home / 12,527.39-17,287.70-6,862.05

Finding the Fourth Proportional to 12,527.39, 17,287.70 and 6,862.05

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Solution

The fourth proportional to 12,527.39, 17,287.70 and 6,862.05 is: 9,469.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,527.39 : 17,287.70 = 6,862.05 : x
  2. Step 2: Convert to fraction form
    12,527.39/17,287.70 = 6,862.05/x
  3. Step 3: Cross multiply
    12,527.39x = 17,287.70 × 6,862.05
  4. Step 4: Simplify right side
    12,527.39x = 118,629,027.47
  5. Step 5: Solve for x
    x = 118,629,027.47/12,527.39
  6. Step 6: Final answer
    x = 9,469.57

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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.