Home / 18,928.26-26,115.74-12,214.18

Finding the Fourth Proportional to 18,928.26, 26,115.74 and 12,214.18

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Solution

The fourth proportional to 18,928.26, 26,115.74 and 12,214.18 is: 16,852.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,928.26 : 26,115.74 = 12,214.18 : x
  2. Step 2: Convert to fraction form
    18,928.26/26,115.74 = 12,214.18/x
  3. Step 3: Cross multiply
    18,928.26x = 26,115.74 × 12,214.18
  4. Step 4: Simplify right side
    18,928.26x = 318,982,349.19
  5. Step 5: Solve for x
    x = 318,982,349.19/18,928.26
  6. Step 6: Final answer
    x = 16,852.17

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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.