Home / 13,365.41-20,044.80-5,965.79

Finding the Fourth Proportional to 13,365.41, 20,044.80 and 5,965.79

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Solution

The fourth proportional to 13,365.41, 20,044.80 and 5,965.79 is: 8,947.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365.41 : 20,044.80 = 5,965.79 : x
  2. Step 2: Convert to fraction form
    13,365.41/20,044.80 = 5,965.79/x
  3. Step 3: Cross multiply
    13,365.41x = 20,044.80 × 5,965.79
  4. Step 4: Simplify right side
    13,365.41x = 119,582,967.17
  5. Step 5: Solve for x
    x = 119,582,967.17/13,365.41
  6. Step 6: Final answer
    x = 8,947.20

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1.5x scale

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.