Home / 15,460.86-23,170.32-7,122.54

Finding the Fourth Proportional to 15,460.86, 23,170.32 and 7,122.54

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Solution

The fourth proportional to 15,460.86, 23,170.32 and 7,122.54 is: 10,674.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,460.86 : 23,170.32 = 7,122.54 : x
  2. Step 2: Convert to fraction form
    15,460.86/23,170.32 = 7,122.54/x
  3. Step 3: Cross multiply
    15,460.86x = 23,170.32 × 7,122.54
  4. Step 4: Simplify right side
    15,460.86x = 165,031,531.01
  5. Step 5: Solve for x
    x = 165,031,531.01/15,460.86
  6. Step 6: Final answer
    x = 10,674.15

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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.