Home / 16,224.64-22,388.72-9,509.20

Finding the Fourth Proportional to 16,224.64, 22,388.72 and 9,509.20

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Solution

The fourth proportional to 16,224.64, 22,388.72 and 9,509.20 is: 13,121.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,224.64 : 22,388.72 = 9,509.20 : x
  2. Step 2: Convert to fraction form
    16,224.64/22,388.72 = 9,509.20/x
  3. Step 3: Cross multiply
    16,224.64x = 22,388.72 × 9,509.20
  4. Step 4: Simplify right side
    16,224.64x = 212,898,816.22
  5. Step 5: Solve for x
    x = 212,898,816.22/16,224.64
  6. Step 6: Final answer
    x = 13,121.94

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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.