Home / 19,610.10-29,418.03-6,459.30

Finding the Fourth Proportional to 19,610.10, 29,418.03 and 6,459.30

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Solution

The fourth proportional to 19,610.10, 29,418.03 and 6,459.30 is: 9,689.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,610.10 : 29,418.03 = 6,459.30 : x
  2. Step 2: Convert to fraction form
    19,610.10/29,418.03 = 6,459.30/x
  3. Step 3: Cross multiply
    19,610.10x = 29,418.03 × 6,459.30
  4. Step 4: Simplify right side
    19,610.10x = 190,019,881.18
  5. Step 5: Solve for x
    x = 190,019,881.18/19,610.10
  6. Step 6: Final answer
    x = 9,689.90

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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.