Home / 10,030.30-15,041.31-3,789.25

Finding the Fourth Proportional to 10,030.30, 15,041.31 and 3,789.25

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Solution

The fourth proportional to 10,030.30, 15,041.31 and 3,789.25 is: 5,682.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,030.30 : 15,041.31 = 3,789.25 : x
  2. Step 2: Convert to fraction form
    10,030.30/15,041.31 = 3,789.25/x
  3. Step 3: Cross multiply
    10,030.30x = 15,041.31 × 3,789.25
  4. Step 4: Simplify right side
    10,030.30x = 56,995,283.92
  5. Step 5: Solve for x
    x = 56,995,283.92/10,030.30
  6. Step 6: Final answer
    x = 5,682.31

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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.