Home / 10,440.65-15,632.73-7,646.15

Finding the Fourth Proportional to 10,440.65, 15,632.73 and 7,646.15

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Solution

The fourth proportional to 10,440.65, 15,632.73 and 7,646.15 is: 11,448.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440.65 : 15,632.73 = 7,646.15 : x
  2. Step 2: Convert to fraction form
    10,440.65/15,632.73 = 7,646.15/x
  3. Step 3: Cross multiply
    10,440.65x = 15,632.73 × 7,646.15
  4. Step 4: Simplify right side
    10,440.65x = 119,530,237.57
  5. Step 5: Solve for x
    x = 119,530,237.57/10,440.65
  6. Step 6: Final answer
    x = 11,448.54

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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.