Home / 21,098.53-31,647.93-6,306.04

Finding the Fourth Proportional to 21,098.53, 31,647.93 and 6,306.04

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Solution

The fourth proportional to 21,098.53, 31,647.93 and 6,306.04 is: 9,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,098.53 : 31,647.93 = 6,306.04 : x
  2. Step 2: Convert to fraction form
    21,098.53/31,647.93 = 6,306.04/x
  3. Step 3: Cross multiply
    21,098.53x = 31,647.93 × 6,306.04
  4. Step 4: Simplify right side
    21,098.53x = 199,573,112.50
  5. Step 5: Solve for x
    x = 199,573,112.50/21,098.53
  6. Step 6: Final answer
    x = 9,459.10

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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.