Home / 14,643.24-20,216.98-9,616.38

Finding the Fourth Proportional to 14,643.24, 20,216.98 and 9,616.38

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Solution

The fourth proportional to 14,643.24, 20,216.98 and 9,616.38 is: 13,276.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,643.24 : 20,216.98 = 9,616.38 : x
  2. Step 2: Convert to fraction form
    14,643.24/20,216.98 = 9,616.38/x
  3. Step 3: Cross multiply
    14,643.24x = 20,216.98 × 9,616.38
  4. Step 4: Simplify right side
    14,643.24x = 194,414,162.13
  5. Step 5: Solve for x
    x = 194,414,162.13/14,643.24
  6. Step 6: Final answer
    x = 13,276.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.