Home / 10,812.29-14,920.97-6,335.15

Finding the Fourth Proportional to 10,812.29, 14,920.97 and 6,335.15

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Solution

The fourth proportional to 10,812.29, 14,920.97 and 6,335.15 is: 8,742.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,812.29 : 14,920.97 = 6,335.15 : x
  2. Step 2: Convert to fraction form
    10,812.29/14,920.97 = 6,335.15/x
  3. Step 3: Cross multiply
    10,812.29x = 14,920.97 × 6,335.15
  4. Step 4: Simplify right side
    10,812.29x = 94,526,476.81
  5. Step 5: Solve for x
    x = 94,526,476.81/10,812.29
  6. Step 6: Final answer
    x = 8,742.51

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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.