Home / 19,690.16-29,548.56-14,771.84

Finding the Fourth Proportional to 19,690.16, 29,548.56 and 14,771.84

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Solution

The fourth proportional to 19,690.16, 29,548.56 and 14,771.84 is: 22,167.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,690.16 : 29,548.56 = 14,771.84 : x
  2. Step 2: Convert to fraction form
    19,690.16/29,548.56 = 14,771.84/x
  3. Step 3: Cross multiply
    19,690.16x = 29,548.56 × 14,771.84
  4. Step 4: Simplify right side
    19,690.16x = 436,486,600.55
  5. Step 5: Solve for x
    x = 436,486,600.55/19,690.16
  6. Step 6: Final answer
    x = 22,167.75

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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.