Home / 13,266.89-19,902.38-4,948.09

Finding the Fourth Proportional to 13,266.89, 19,902.38 and 4,948.09

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Solution

The fourth proportional to 13,266.89, 19,902.38 and 4,948.09 is: 7,422.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.89 : 19,902.38 = 4,948.09 : x
  2. Step 2: Convert to fraction form
    13,266.89/19,902.38 = 4,948.09/x
  3. Step 3: Cross multiply
    13,266.89x = 19,902.38 × 4,948.09
  4. Step 4: Simplify right side
    13,266.89x = 98,478,734.71
  5. Step 5: Solve for x
    x = 98,478,734.71/13,266.89
  6. Step 6: Final answer
    x = 7,422.90

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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.