Home / 9,246.75-13,857.13-6,128.90

Finding the Fourth Proportional to 9,246.75, 13,857.13 and 6,128.90

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Solution

The fourth proportional to 9,246.75, 13,857.13 and 6,128.90 is: 9,184.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,246.75 : 13,857.13 = 6,128.90 : x
  2. Step 2: Convert to fraction form
    9,246.75/13,857.13 = 6,128.90/x
  3. Step 3: Cross multiply
    9,246.75x = 13,857.13 × 6,128.90
  4. Step 4: Simplify right side
    9,246.75x = 84,928,964.06
  5. Step 5: Solve for x
    x = 84,928,964.06/9,246.75
  6. Step 6: Final answer
    x = 9,184.74

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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.