Home / 13,513.58-20,250.93-5,711.66

Finding the Fourth Proportional to 13,513.58, 20,250.93 and 5,711.66

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Solution

The fourth proportional to 13,513.58, 20,250.93 and 5,711.66 is: 8,559.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,513.58 : 20,250.93 = 5,711.66 : x
  2. Step 2: Convert to fraction form
    13,513.58/20,250.93 = 5,711.66/x
  3. Step 3: Cross multiply
    13,513.58x = 20,250.93 × 5,711.66
  4. Step 4: Simplify right side
    13,513.58x = 115,666,426.84
  5. Step 5: Solve for x
    x = 115,666,426.84/13,513.58
  6. Step 6: Final answer
    x = 8,559.27

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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.