Home / 13,783.84-20,678.64-5,998.24

Finding the Fourth Proportional to 13,783.84, 20,678.64 and 5,998.24

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Solution

The fourth proportional to 13,783.84, 20,678.64 and 5,998.24 is: 8,998.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,783.84 : 20,678.64 = 5,998.24 : x
  2. Step 2: Convert to fraction form
    13,783.84/20,678.64 = 5,998.24/x
  3. Step 3: Cross multiply
    13,783.84x = 20,678.64 × 5,998.24
  4. Step 4: Simplify right side
    13,783.84x = 124,035,445.59
  5. Step 5: Solve for x
    x = 124,035,445.59/13,783.84
  6. Step 6: Final answer
    x = 8,998.61

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Half scale
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Double scale
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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.