Home / 10,365.44-15,549.60-3,790.40

Finding the Fourth Proportional to 10,365.44, 15,549.60 and 3,790.40

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Solution

The fourth proportional to 10,365.44, 15,549.60 and 3,790.40 is: 5,686.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365.44 : 15,549.60 = 3,790.40 : x
  2. Step 2: Convert to fraction form
    10,365.44/15,549.60 = 3,790.40/x
  3. Step 3: Cross multiply
    10,365.44x = 15,549.60 × 3,790.40
  4. Step 4: Simplify right side
    10,365.44x = 58,939,203.84
  5. Step 5: Solve for x
    x = 58,939,203.84/10,365.44
  6. Step 6: Final answer
    x = 5,686.13

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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.