Home / 9,238.08-13,857.12-2,312.58

Finding the Fourth Proportional to 9,238.08, 13,857.12 and 2,312.58

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Solution

The fourth proportional to 9,238.08, 13,857.12 and 2,312.58 is: 3,468.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,238.08 : 13,857.12 = 2,312.58 : x
  2. Step 2: Convert to fraction form
    9,238.08/13,857.12 = 2,312.58/x
  3. Step 3: Cross multiply
    9,238.08x = 13,857.12 × 2,312.58
  4. Step 4: Simplify right side
    9,238.08x = 32,045,698.57
  5. Step 5: Solve for x
    x = 32,045,698.57/9,238.08
  6. Step 6: Final answer
    x = 3,468.87

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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.