Home / 10,020.65-15,014.48-3,443.22

Finding the Fourth Proportional to 10,020.65, 15,014.48 and 3,443.22

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Solution

The fourth proportional to 10,020.65, 15,014.48 and 3,443.22 is: 5,159.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020.65 : 15,014.48 = 3,443.22 : x
  2. Step 2: Convert to fraction form
    10,020.65/15,014.48 = 3,443.22/x
  3. Step 3: Cross multiply
    10,020.65x = 15,014.48 × 3,443.22
  4. Step 4: Simplify right side
    10,020.65x = 51,698,140.61
  5. Step 5: Solve for x
    x = 51,698,140.61/10,020.65
  6. Step 6: Final answer
    x = 5,159.16

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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.