Home / 22,688.97-31,313.57-13,739.59

Finding the Fourth Proportional to 22,688.97, 31,313.57 and 13,739.59

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Solution

The fourth proportional to 22,688.97, 31,313.57 and 13,739.59 is: 18,962.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,688.97 : 31,313.57 = 13,739.59 : x
  2. Step 2: Convert to fraction form
    22,688.97/31,313.57 = 13,739.59/x
  3. Step 3: Cross multiply
    22,688.97x = 31,313.57 × 13,739.59
  4. Step 4: Simplify right side
    22,688.97x = 430,235,456.67
  5. Step 5: Solve for x
    x = 430,235,456.67/22,688.97
  6. Step 6: Final answer
    x = 18,962.32

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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.