Home / 18,677.07-28,004.81-6,193.76

Finding the Fourth Proportional to 18,677.07, 28,004.81 and 6,193.76

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Solution

The fourth proportional to 18,677.07, 28,004.81 and 6,193.76 is: 9,287.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,677.07 : 28,004.81 = 6,193.76 : x
  2. Step 2: Convert to fraction form
    18,677.07/28,004.81 = 6,193.76/x
  3. Step 3: Cross multiply
    18,677.07x = 28,004.81 × 6,193.76
  4. Step 4: Simplify right side
    18,677.07x = 173,454,900.99
  5. Step 5: Solve for x
    x = 173,454,900.99/18,677.07
  6. Step 6: Final answer
    x = 9,287.05

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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.