Home / 9,170.74-12,655.80-5,986.07

Finding the Fourth Proportional to 9,170.74, 12,655.80 and 5,986.07

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Solution

The fourth proportional to 9,170.74, 12,655.80 and 5,986.07 is: 8,260.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170.74 : 12,655.80 = 5,986.07 : x
  2. Step 2: Convert to fraction form
    9,170.74/12,655.80 = 5,986.07/x
  3. Step 3: Cross multiply
    9,170.74x = 12,655.80 × 5,986.07
  4. Step 4: Simplify right side
    9,170.74x = 75,758,504.71
  5. Step 5: Solve for x
    x = 75,758,504.71/9,170.74
  6. Step 6: Final answer
    x = 8,260.89

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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.