Home / 18,865.79-26,033.09-10,367.81

Finding the Fourth Proportional to 18,865.79, 26,033.09 and 10,367.81

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Solution

The fourth proportional to 18,865.79, 26,033.09 and 10,367.81 is: 14,306.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,865.79 : 26,033.09 = 10,367.81 : x
  2. Step 2: Convert to fraction form
    18,865.79/26,033.09 = 10,367.81/x
  3. Step 3: Cross multiply
    18,865.79x = 26,033.09 × 10,367.81
  4. Step 4: Simplify right side
    18,865.79x = 269,906,130.83
  5. Step 5: Solve for x
    x = 269,906,130.83/18,865.79
  6. Step 6: Final answer
    x = 14,306.64

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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.