Home / 10,355.73-15,518.23-7,606.29

Finding the Fourth Proportional to 10,355.73, 15,518.23 and 7,606.29

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Solution

The fourth proportional to 10,355.73, 15,518.23 and 7,606.29 is: 11,398.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355.73 : 15,518.23 = 7,606.29 : x
  2. Step 2: Convert to fraction form
    10,355.73/15,518.23 = 7,606.29/x
  3. Step 3: Cross multiply
    10,355.73x = 15,518.23 × 7,606.29
  4. Step 4: Simplify right side
    10,355.73x = 118,036,061.06
  5. Step 5: Solve for x
    x = 118,036,061.06/10,355.73
  6. Step 6: Final answer
    x = 11,398.15

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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.