Home / 12,515.74-17,271.67-6,773.18

Finding the Fourth Proportional to 12,515.74, 17,271.67 and 6,773.18

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Solution

The fourth proportional to 12,515.74, 17,271.67 and 6,773.18 is: 9,346.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,515.74 : 17,271.67 = 6,773.18 : x
  2. Step 2: Convert to fraction form
    12,515.74/17,271.67 = 6,773.18/x
  3. Step 3: Cross multiply
    12,515.74x = 17,271.67 × 6,773.18
  4. Step 4: Simplify right side
    12,515.74x = 116,984,146.74
  5. Step 5: Solve for x
    x = 116,984,146.74/12,515.74
  6. Step 6: Final answer
    x = 9,346.97

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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.