Home / 13,374.71-20,050.77-8,433.47

Finding the Fourth Proportional to 13,374.71, 20,050.77 and 8,433.47

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Solution

The fourth proportional to 13,374.71, 20,050.77 and 8,433.47 is: 12,643.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374.71 : 20,050.77 = 8,433.47 : x
  2. Step 2: Convert to fraction form
    13,374.71/20,050.77 = 8,433.47/x
  3. Step 3: Cross multiply
    13,374.71x = 20,050.77 × 8,433.47
  4. Step 4: Simplify right side
    13,374.71x = 169,097,467.02
  5. Step 5: Solve for x
    x = 169,097,467.02/13,374.71
  6. Step 6: Final answer
    x = 12,643.07

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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.