Home / 13,339.31-20,011.86-4,574.43

Finding the Fourth Proportional to 13,339.31, 20,011.86 and 4,574.43

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Solution

The fourth proportional to 13,339.31, 20,011.86 and 4,574.43 is: 6,862.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,339.31 : 20,011.86 = 4,574.43 : x
  2. Step 2: Convert to fraction form
    13,339.31/20,011.86 = 4,574.43/x
  3. Step 3: Cross multiply
    13,339.31x = 20,011.86 × 4,574.43
  4. Step 4: Simplify right side
    13,339.31x = 91,542,852.74
  5. Step 5: Solve for x
    x = 91,542,852.74/13,339.31
  6. Step 6: Final answer
    x = 6,862.64

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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.