Home / 13,783.40-20,674.64-5,992.24

Finding the Fourth Proportional to 13,783.40, 20,674.64 and 5,992.24

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Solution

The fourth proportional to 13,783.40, 20,674.64 and 5,992.24 is: 8,988.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,783.40 : 20,674.64 = 5,992.24 : x
  2. Step 2: Convert to fraction form
    13,783.40/20,674.64 = 5,992.24/x
  3. Step 3: Cross multiply
    13,783.40x = 20,674.64 × 5,992.24
  4. Step 4: Simplify right side
    13,783.40x = 123,887,404.79
  5. Step 5: Solve for x
    x = 123,887,404.79/13,783.40
  6. Step 6: Final answer
    x = 8,988.16

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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.