Home / 13,783.11-20,662.35-5,011.84

Finding the Fourth Proportional to 13,783.11, 20,662.35 and 5,011.84

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Solution

The fourth proportional to 13,783.11, 20,662.35 and 5,011.84 is: 7,513.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,783.11 : 20,662.35 = 5,011.84 : x
  2. Step 2: Convert to fraction form
    13,783.11/20,662.35 = 5,011.84/x
  3. Step 3: Cross multiply
    13,783.11x = 20,662.35 × 5,011.84
  4. Step 4: Simplify right side
    13,783.11x = 103,556,392.22
  5. Step 5: Solve for x
    x = 103,556,392.22/13,783.11
  6. Step 6: Final answer
    x = 7,513.28

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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.