Home / 13,789.47-20,674.13-4,424.16

Finding the Fourth Proportional to 13,789.47, 20,674.13 and 4,424.16

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Solution

The fourth proportional to 13,789.47, 20,674.13 and 4,424.16 is: 6,633.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,789.47 : 20,674.13 = 4,424.16 : x
  2. Step 2: Convert to fraction form
    13,789.47/20,674.13 = 4,424.16/x
  3. Step 3: Cross multiply
    13,789.47x = 20,674.13 × 4,424.16
  4. Step 4: Simplify right side
    13,789.47x = 91,465,636.86
  5. Step 5: Solve for x
    x = 91,465,636.86/13,789.47
  6. Step 6: Final answer
    x = 6,633.01

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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.