Home / 13,381.68-20,065.28-10,626.08

Finding the Fourth Proportional to 13,381.68, 20,065.28 and 10,626.08

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Solution

The fourth proportional to 13,381.68, 20,065.28 and 10,626.08 is: 15,933.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,381.68 : 20,065.28 = 10,626.08 : x
  2. Step 2: Convert to fraction form
    13,381.68/20,065.28 = 10,626.08/x
  3. Step 3: Cross multiply
    13,381.68x = 20,065.28 × 10,626.08
  4. Step 4: Simplify right side
    13,381.68x = 213,215,270.50
  5. Step 5: Solve for x
    x = 213,215,270.50/13,381.68
  6. Step 6: Final answer
    x = 15,933.37

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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.