Home / 22,796.87-31,464.92-13,368.47

Finding the Fourth Proportional to 22,796.87, 31,464.92 and 13,368.47

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Solution

The fourth proportional to 22,796.87, 31,464.92 and 13,368.47 is: 18,451.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,796.87 : 31,464.92 = 13,368.47 : x
  2. Step 2: Convert to fraction form
    22,796.87/31,464.92 = 13,368.47/x
  3. Step 3: Cross multiply
    22,796.87x = 31,464.92 × 13,368.47
  4. Step 4: Simplify right side
    22,796.87x = 420,637,715.17
  5. Step 5: Solve for x
    x = 420,637,715.17/22,796.87
  6. Step 6: Final answer
    x = 18,451.56

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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.