Home / 14,238.12-21,353.43-9,794.85

Finding the Fourth Proportional to 14,238.12, 21,353.43 and 9,794.85

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Solution

The fourth proportional to 14,238.12, 21,353.43 and 9,794.85 is: 14,689.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,238.12 : 21,353.43 = 9,794.85 : x
  2. Step 2: Convert to fraction form
    14,238.12/21,353.43 = 9,794.85/x
  3. Step 3: Cross multiply
    14,238.12x = 21,353.43 × 9,794.85
  4. Step 4: Simplify right side
    14,238.12x = 209,153,643.84
  5. Step 5: Solve for x
    x = 209,153,643.84/14,238.12
  6. Step 6: Final answer
    x = 14,689.70

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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.