Home / 15,610.50-23,415.69-5,615.23

Finding the Fourth Proportional to 15,610.50, 23,415.69 and 5,615.23

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Solution

The fourth proportional to 15,610.50, 23,415.69 and 5,615.23 is: 8,422.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,610.50 : 23,415.69 = 5,615.23 : x
  2. Step 2: Convert to fraction form
    15,610.50/23,415.69 = 5,615.23/x
  3. Step 3: Cross multiply
    15,610.50x = 23,415.69 × 5,615.23
  4. Step 4: Simplify right side
    15,610.50x = 131,484,367.88
  5. Step 5: Solve for x
    x = 131,484,367.88/15,610.50
  6. Step 6: Final answer
    x = 8,422.82

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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.