Home / 13,389.58-20,082.07-3,528.94

Finding the Fourth Proportional to 13,389.58, 20,082.07 and 3,528.94

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Solution

The fourth proportional to 13,389.58, 20,082.07 and 3,528.94 is: 5,292.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,389.58 : 20,082.07 = 3,528.94 : x
  2. Step 2: Convert to fraction form
    13,389.58/20,082.07 = 3,528.94/x
  3. Step 3: Cross multiply
    13,389.58x = 20,082.07 × 3,528.94
  4. Step 4: Simplify right side
    13,389.58x = 70,868,420.11
  5. Step 5: Solve for x
    x = 70,868,420.11/13,389.58
  6. Step 6: Final answer
    x = 5,292.80

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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.