Home / 15,613.36-23,420.34-5,747.56

Finding the Fourth Proportional to 15,613.36, 23,420.34 and 5,747.56

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Solution

The fourth proportional to 15,613.36, 23,420.34 and 5,747.56 is: 8,621.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,613.36 : 23,420.34 = 5,747.56 : x
  2. Step 2: Convert to fraction form
    15,613.36/23,420.34 = 5,747.56/x
  3. Step 3: Cross multiply
    15,613.36x = 23,420.34 × 5,747.56
  4. Step 4: Simplify right side
    15,613.36x = 134,609,750.82
  5. Step 5: Solve for x
    x = 134,609,750.82/15,613.36
  6. Step 6: Final answer
    x = 8,621.45

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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.