Home / 22,846.49-31,515.48-13,285.31

Finding the Fourth Proportional to 22,846.49, 31,515.48 and 13,285.31

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Solution

The fourth proportional to 22,846.49, 31,515.48 and 13,285.31 is: 18,326.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,846.49 : 31,515.48 = 13,285.31 : x
  2. Step 2: Convert to fraction form
    22,846.49/31,515.48 = 13,285.31/x
  3. Step 3: Cross multiply
    22,846.49x = 31,515.48 × 13,285.31
  4. Step 4: Simplify right side
    22,846.49x = 418,692,764.02
  5. Step 5: Solve for x
    x = 418,692,764.02/22,846.49
  6. Step 6: Final answer
    x = 18,326.35

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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.