Home / 18,684.39-28,030.58-6,838.11

Finding the Fourth Proportional to 18,684.39, 28,030.58 and 6,838.11

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Solution

The fourth proportional to 18,684.39, 28,030.58 and 6,838.11 is: 10,258.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684.39 : 28,030.58 = 6,838.11 : x
  2. Step 2: Convert to fraction form
    18,684.39/28,030.58 = 6,838.11/x
  3. Step 3: Cross multiply
    18,684.39x = 28,030.58 × 6,838.11
  4. Step 4: Simplify right side
    18,684.39x = 191,676,278.92
  5. Step 5: Solve for x
    x = 191,676,278.92/18,684.39
  6. Step 6: Final answer
    x = 10,258.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.