Home / 16,328.72-22,493.64-11,839.28

Finding the Fourth Proportional to 16,328.72, 22,493.64 and 11,839.28

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Solution

The fourth proportional to 16,328.72, 22,493.64 and 11,839.28 is: 16,309.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,328.72 : 22,493.64 = 11,839.28 : x
  2. Step 2: Convert to fraction form
    16,328.72/22,493.64 = 11,839.28/x
  3. Step 3: Cross multiply
    16,328.72x = 22,493.64 × 11,839.28
  4. Step 4: Simplify right side
    16,328.72x = 266,308,502.18
  5. Step 5: Solve for x
    x = 266,308,502.18/16,328.72
  6. Step 6: Final answer
    x = 16,309.21

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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.