Home / 10,020.34-15,033.96-3,782.14

Finding the Fourth Proportional to 10,020.34, 15,033.96 and 3,782.14

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Solution

The fourth proportional to 10,020.34, 15,033.96 and 3,782.14 is: 5,674.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020.34 : 15,033.96 = 3,782.14 : x
  2. Step 2: Convert to fraction form
    10,020.34/15,033.96 = 3,782.14/x
  3. Step 3: Cross multiply
    10,020.34x = 15,033.96 × 3,782.14
  4. Step 4: Simplify right side
    10,020.34x = 56,860,541.47
  5. Step 5: Solve for x
    x = 56,860,541.47/10,020.34
  6. Step 6: Final answer
    x = 5,674.51

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1.5x scale

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.