Home / 8,968.96-13,455.24-3,124

Finding the Fourth Proportional to 8,968.96, 13,455.24 and 3,124

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Solution

The fourth proportional to 8,968.96, 13,455.24 and 3,124 is: 4,686.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,968.96 : 13,455.24 = 3,124 : x
  2. Step 2: Convert to fraction form
    8,968.96/13,455.24 = 3,124/x
  3. Step 3: Cross multiply
    8,968.96x = 13,455.24 × 3,124
  4. Step 4: Simplify right side
    8,968.96x = 42,034,169.76
  5. Step 5: Solve for x
    x = 42,034,169.76/8,968.96
  6. Step 6: Final answer
    x = 4,686.63

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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.