Home / 18,887.07-26,064.78-10,389.84

Finding the Fourth Proportional to 18,887.07, 26,064.78 and 10,389.84

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Solution

The fourth proportional to 18,887.07, 26,064.78 and 10,389.84 is: 14,338.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887.07 : 26,064.78 = 10,389.84 : x
  2. Step 2: Convert to fraction form
    18,887.07/26,064.78 = 10,389.84/x
  3. Step 3: Cross multiply
    18,887.07x = 26,064.78 × 10,389.84
  4. Step 4: Simplify right side
    18,887.07x = 270,808,952.62
  5. Step 5: Solve for x
    x = 270,808,952.62/18,887.07
  6. Step 6: Final answer
    x = 14,338.33

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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.