Home / 18,866.87-26,036.96-10,369.76

Finding the Fourth Proportional to 18,866.87, 26,036.96 and 10,369.76

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Solution

The fourth proportional to 18,866.87, 26,036.96 and 10,369.76 is: 14,310.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,866.87 : 26,036.96 = 10,369.76 : x
  2. Step 2: Convert to fraction form
    18,866.87/26,036.96 = 10,369.76/x
  3. Step 3: Cross multiply
    18,866.87x = 26,036.96 × 10,369.76
  4. Step 4: Simplify right side
    18,866.87x = 269,997,039.57
  5. Step 5: Solve for x
    x = 269,997,039.57/18,866.87
  6. Step 6: Final answer
    x = 14,310.65

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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.