Home / 22,910.49-31,616.42-13,957.99

Finding the Fourth Proportional to 22,910.49, 31,616.42 and 13,957.99

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Solution

The fourth proportional to 22,910.49, 31,616.42 and 13,957.99 is: 19,261.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,910.49 : 31,616.42 = 13,957.99 : x
  2. Step 2: Convert to fraction form
    22,910.49/31,616.42 = 13,957.99/x
  3. Step 3: Cross multiply
    22,910.49x = 31,616.42 × 13,957.99
  4. Step 4: Simplify right side
    22,910.49x = 441,301,674.20
  5. Step 5: Solve for x
    x = 441,301,674.20/22,910.49
  6. Step 6: Final answer
    x = 19,261.99

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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.