Home / 13,784.32-20,685.12-5,994.88

Finding the Fourth Proportional to 13,784.32, 20,685.12 and 5,994.88

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Solution

The fourth proportional to 13,784.32, 20,685.12 and 5,994.88 is: 8,996.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,784.32 : 20,685.12 = 5,994.88 : x
  2. Step 2: Convert to fraction form
    13,784.32/20,685.12 = 5,994.88/x
  3. Step 3: Cross multiply
    13,784.32x = 20,685.12 × 5,994.88
  4. Step 4: Simplify right side
    13,784.32x = 124,004,812.19
  5. Step 5: Solve for x
    x = 124,004,812.19/13,784.32
  6. Step 6: Final answer
    x = 8,996.08

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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.