Home / 13,274.29-18,326.10-8,804.17

Finding the Fourth Proportional to 13,274.29, 18,326.10 and 8,804.17

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Solution

The fourth proportional to 13,274.29, 18,326.10 and 8,804.17 is: 12,154.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,274.29 : 18,326.10 = 8,804.17 : x
  2. Step 2: Convert to fraction form
    13,274.29/18,326.10 = 8,804.17/x
  3. Step 3: Cross multiply
    13,274.29x = 18,326.10 × 8,804.17
  4. Step 4: Simplify right side
    13,274.29x = 161,346,099.84
  5. Step 5: Solve for x
    x = 161,346,099.84/13,274.29
  6. Step 6: Final answer
    x = 12,154.78

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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.