Home / 11,620.41-16,036.18-6,315.27

Finding the Fourth Proportional to 11,620.41, 16,036.18 and 6,315.27

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Solution

The fourth proportional to 11,620.41, 16,036.18 and 6,315.27 is: 8,715.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,620.41 : 16,036.18 = 6,315.27 : x
  2. Step 2: Convert to fraction form
    11,620.41/16,036.18 = 6,315.27/x
  3. Step 3: Cross multiply
    11,620.41x = 16,036.18 × 6,315.27
  4. Step 4: Simplify right side
    11,620.41x = 101,272,730.54
  5. Step 5: Solve for x
    x = 101,272,730.54/11,620.41
  6. Step 6: Final answer
    x = 8,715.07

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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.