Home / 9,374.74-12,919.25-6,717.53

Finding the Fourth Proportional to 9,374.74, 12,919.25 and 6,717.53

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Solution

The fourth proportional to 9,374.74, 12,919.25 and 6,717.53 is: 9,257.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,374.74 : 12,919.25 = 6,717.53 : x
  2. Step 2: Convert to fraction form
    9,374.74/12,919.25 = 6,717.53/x
  3. Step 3: Cross multiply
    9,374.74x = 12,919.25 × 6,717.53
  4. Step 4: Simplify right side
    9,374.74x = 86,785,498.54
  5. Step 5: Solve for x
    x = 86,785,498.54/9,374.74
  6. Step 6: Final answer
    x = 9,257.38

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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.