Home / 13,784.72-20,677.24-5,582.48

Finding the Fourth Proportional to 13,784.72, 20,677.24 and 5,582.48

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Solution

The fourth proportional to 13,784.72, 20,677.24 and 5,582.48 is: 8,373.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,784.72 : 20,677.24 = 5,582.48 : x
  2. Step 2: Convert to fraction form
    13,784.72/20,677.24 = 5,582.48/x
  3. Step 3: Cross multiply
    13,784.72x = 20,677.24 × 5,582.48
  4. Step 4: Simplify right side
    13,784.72x = 115,430,278.76
  5. Step 5: Solve for x
    x = 115,430,278.76/13,784.72
  6. Step 6: Final answer
    x = 8,373.78

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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.