Home / 14,618.88-21,928.32-5,260.14

Finding the Fourth Proportional to 14,618.88, 21,928.32 and 5,260.14

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Solution

The fourth proportional to 14,618.88, 21,928.32 and 5,260.14 is: 7,890.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618.88 : 21,928.32 = 5,260.14 : x
  2. Step 2: Convert to fraction form
    14,618.88/21,928.32 = 5,260.14/x
  3. Step 3: Cross multiply
    14,618.88x = 21,928.32 × 5,260.14
  4. Step 4: Simplify right side
    14,618.88x = 115,346,033.16
  5. Step 5: Solve for x
    x = 115,346,033.16/14,618.88
  6. Step 6: Final answer
    x = 7,890.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.