Home / 19,867.78-29,773.96-14,931.64

Finding the Fourth Proportional to 19,867.78, 29,773.96 and 14,931.64

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Solution

The fourth proportional to 19,867.78, 29,773.96 and 14,931.64 is: 22,376.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,867.78 : 29,773.96 = 14,931.64 : x
  2. Step 2: Convert to fraction form
    19,867.78/29,773.96 = 14,931.64/x
  3. Step 3: Cross multiply
    19,867.78x = 29,773.96 × 14,931.64
  4. Step 4: Simplify right side
    19,867.78x = 444,574,052.09
  5. Step 5: Solve for x
    x = 444,574,052.09/19,867.78
  6. Step 6: Final answer
    x = 22,376.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.