Home / 15,772.80-23,655.55-4,676.81

Finding the Fourth Proportional to 15,772.80, 23,655.55 and 4,676.81

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Solution

The fourth proportional to 15,772.80, 23,655.55 and 4,676.81 is: 7,014.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,772.80 : 23,655.55 = 4,676.81 : x
  2. Step 2: Convert to fraction form
    15,772.80/23,655.55 = 4,676.81/x
  3. Step 3: Cross multiply
    15,772.80x = 23,655.55 × 4,676.81
  4. Step 4: Simplify right side
    15,772.80x = 110,632,524.66
  5. Step 5: Solve for x
    x = 110,632,524.66/15,772.80
  6. Step 6: Final answer
    x = 7,014.13

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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.