Home / 13,185.17-19,775.62-4,869.10

Finding the Fourth Proportional to 13,185.17, 19,775.62 and 4,869.10

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Solution

The fourth proportional to 13,185.17, 19,775.62 and 4,869.10 is: 7,302.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,185.17 : 19,775.62 = 4,869.10 : x
  2. Step 2: Convert to fraction form
    13,185.17/19,775.62 = 4,869.10/x
  3. Step 3: Cross multiply
    13,185.17x = 19,775.62 × 4,869.10
  4. Step 4: Simplify right side
    13,185.17x = 96,289,502.15
  5. Step 5: Solve for x
    x = 96,289,502.15/13,185.17
  6. Step 6: Final answer
    x = 7,302.86

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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.