Home / 9,119.40-12,586.23-6,883.80

Finding the Fourth Proportional to 9,119.40, 12,586.23 and 6,883.80

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Solution

The fourth proportional to 9,119.40, 12,586.23 and 6,883.80 is: 9,500.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119.40 : 12,586.23 = 6,883.80 : x
  2. Step 2: Convert to fraction form
    9,119.40/12,586.23 = 6,883.80/x
  3. Step 3: Cross multiply
    9,119.40x = 12,586.23 × 6,883.80
  4. Step 4: Simplify right side
    9,119.40x = 86,641,090.07
  5. Step 5: Solve for x
    x = 86,641,090.07/9,119.40
  6. Step 6: Final answer
    x = 9,500.74

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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.