Home / 13,526.94-20,290.34-3,666.20

Finding the Fourth Proportional to 13,526.94, 20,290.34 and 3,666.20

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Solution

The fourth proportional to 13,526.94, 20,290.34 and 3,666.20 is: 5,499.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,526.94 : 20,290.34 = 3,666.20 : x
  2. Step 2: Convert to fraction form
    13,526.94/20,290.34 = 3,666.20/x
  3. Step 3: Cross multiply
    13,526.94x = 20,290.34 × 3,666.20
  4. Step 4: Simplify right side
    13,526.94x = 74,388,504.40
  5. Step 5: Solve for x
    x = 74,388,504.40/13,526.94
  6. Step 6: Final answer
    x = 5,499.29

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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.