Home / 22,807.42-31,468.68-13,374.16

Finding the Fourth Proportional to 22,807.42, 31,468.68 and 13,374.16

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Solution

The fourth proportional to 22,807.42, 31,468.68 and 13,374.16 is: 18,453.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,807.42 : 31,468.68 = 13,374.16 : x
  2. Step 2: Convert to fraction form
    22,807.42/31,468.68 = 13,374.16/x
  3. Step 3: Cross multiply
    22,807.42x = 31,468.68 × 13,374.16
  4. Step 4: Simplify right side
    22,807.42x = 420,867,161.31
  5. Step 5: Solve for x
    x = 420,867,161.31/22,807.42
  6. Step 6: Final answer
    x = 18,453.08

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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.