Home / 14,078.16-21,107.52-6,176.88

Finding the Fourth Proportional to 14,078.16, 21,107.52 and 6,176.88

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Solution

The fourth proportional to 14,078.16, 21,107.52 and 6,176.88 is: 9,261.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,078.16 : 21,107.52 = 6,176.88 : x
  2. Step 2: Convert to fraction form
    14,078.16/21,107.52 = 6,176.88/x
  3. Step 3: Cross multiply
    14,078.16x = 21,107.52 × 6,176.88
  4. Step 4: Simplify right side
    14,078.16x = 130,378,618.14
  5. Step 5: Solve for x
    x = 130,378,618.14/14,078.16
  6. Step 6: Final answer
    x = 9,261.06

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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.