Home / 10,640.27-14,682.50-6,165.47

Finding the Fourth Proportional to 10,640.27, 14,682.50 and 6,165.47

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Solution

The fourth proportional to 10,640.27, 14,682.50 and 6,165.47 is: 8,507.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,640.27 : 14,682.50 = 6,165.47 : x
  2. Step 2: Convert to fraction form
    10,640.27/14,682.50 = 6,165.47/x
  3. Step 3: Cross multiply
    10,640.27x = 14,682.50 × 6,165.47
  4. Step 4: Simplify right side
    10,640.27x = 90,524,409.04
  5. Step 5: Solve for x
    x = 90,524,409.04/10,640.27
  6. Step 6: Final answer
    x = 8,507.72

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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.