Home / 11,368.92-17,031.24-6,423.60

Finding the Fourth Proportional to 11,368.92, 17,031.24 and 6,423.60

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Solution

The fourth proportional to 11,368.92, 17,031.24 and 6,423.60 is: 9,622.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,368.92 : 17,031.24 = 6,423.60 : x
  2. Step 2: Convert to fraction form
    11,368.92/17,031.24 = 6,423.60/x
  3. Step 3: Cross multiply
    11,368.92x = 17,031.24 × 6,423.60
  4. Step 4: Simplify right side
    11,368.92x = 109,401,873.26
  5. Step 5: Solve for x
    x = 109,401,873.26/11,368.92
  6. Step 6: Final answer
    x = 9,622.89

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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.