Home / 10,811.74-14,920.29-6,335.62

Finding the Fourth Proportional to 10,811.74, 14,920.29 and 6,335.62

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Solution

The fourth proportional to 10,811.74, 14,920.29 and 6,335.62 is: 8,743.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.74 : 14,920.29 = 6,335.62 : x
  2. Step 2: Convert to fraction form
    10,811.74/14,920.29 = 6,335.62/x
  3. Step 3: Cross multiply
    10,811.74x = 14,920.29 × 6,335.62
  4. Step 4: Simplify right side
    10,811.74x = 94,529,287.73
  5. Step 5: Solve for x
    x = 94,529,287.73/10,811.74
  6. Step 6: Final answer
    x = 8,743.21

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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.