Home / 10,515.54-14,513.10-6,323.78

Finding the Fourth Proportional to 10,515.54, 14,513.10 and 6,323.78

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Solution

The fourth proportional to 10,515.54, 14,513.10 and 6,323.78 is: 8,727.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,515.54 : 14,513.10 = 6,323.78 : x
  2. Step 2: Convert to fraction form
    10,515.54/14,513.10 = 6,323.78/x
  3. Step 3: Cross multiply
    10,515.54x = 14,513.10 × 6,323.78
  4. Step 4: Simplify right side
    10,515.54x = 91,777,651.52
  5. Step 5: Solve for x
    x = 91,777,651.52/10,515.54
  6. Step 6: Final answer
    x = 8,727.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.