Home / 10,119.24-15,204.38-6,423.21

Finding the Fourth Proportional to 10,119.24, 15,204.38 and 6,423.21

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Solution

The fourth proportional to 10,119.24, 15,204.38 and 6,423.21 is: 9,651.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,119.24 : 15,204.38 = 6,423.21 : x
  2. Step 2: Convert to fraction form
    10,119.24/15,204.38 = 6,423.21/x
  3. Step 3: Cross multiply
    10,119.24x = 15,204.38 × 6,423.21
  4. Step 4: Simplify right side
    10,119.24x = 97,660,893.54
  5. Step 5: Solve for x
    x = 97,660,893.54/10,119.24
  6. Step 6: Final answer
    x = 9,651.01

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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.