Home / 18,888.94-26,066.75-10,391.18

Finding the Fourth Proportional to 18,888.94, 26,066.75 and 10,391.18

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Solution

The fourth proportional to 18,888.94, 26,066.75 and 10,391.18 is: 14,339.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,888.94 : 26,066.75 = 10,391.18 : x
  2. Step 2: Convert to fraction form
    18,888.94/26,066.75 = 10,391.18/x
  3. Step 3: Cross multiply
    18,888.94x = 26,066.75 × 10,391.18
  4. Step 4: Simplify right side
    18,888.94x = 270,864,291.27
  5. Step 5: Solve for x
    x = 270,864,291.27/18,888.94
  6. Step 6: Final answer
    x = 14,339.84

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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.