Home / 15,513.53-23,269.68-6,748.31

Finding the Fourth Proportional to 15,513.53, 23,269.68 and 6,748.31

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Solution

The fourth proportional to 15,513.53, 23,269.68 and 6,748.31 is: 10,122.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,513.53 : 23,269.68 = 6,748.31 : x
  2. Step 2: Convert to fraction form
    15,513.53/23,269.68 = 6,748.31/x
  3. Step 3: Cross multiply
    15,513.53x = 23,269.68 × 6,748.31
  4. Step 4: Simplify right side
    15,513.53x = 157,031,072.42
  5. Step 5: Solve for x
    x = 157,031,072.42/15,513.53
  6. Step 6: Final answer
    x = 10,122.20

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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.