Home / 19,963.12-29,946.98-6,637.30

Finding the Fourth Proportional to 19,963.12, 29,946.98 and 6,637.30

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Solution

The fourth proportional to 19,963.12, 29,946.98 and 6,637.30 is: 9,956.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,963.12 : 29,946.98 = 6,637.30 : x
  2. Step 2: Convert to fraction form
    19,963.12/29,946.98 = 6,637.30/x
  3. Step 3: Cross multiply
    19,963.12x = 29,946.98 × 6,637.30
  4. Step 4: Simplify right side
    19,963.12x = 198,767,090.35
  5. Step 5: Solve for x
    x = 198,767,090.35/19,963.12
  6. Step 6: Final answer
    x = 9,956.71

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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.