Home / 13,352.49-20,030.12-5,039.51

Finding the Fourth Proportional to 13,352.49, 20,030.12 and 5,039.51

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Solution

The fourth proportional to 13,352.49, 20,030.12 and 5,039.51 is: 7,559.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,352.49 : 20,030.12 = 5,039.51 : x
  2. Step 2: Convert to fraction form
    13,352.49/20,030.12 = 5,039.51/x
  3. Step 3: Cross multiply
    13,352.49x = 20,030.12 × 5,039.51
  4. Step 4: Simplify right side
    13,352.49x = 100,941,864.69
  5. Step 5: Solve for x
    x = 100,941,864.69/13,352.49
  6. Step 6: Final answer
    x = 7,559.78

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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.