Home / 15,541.67-21,447.64-8,467.94

Finding the Fourth Proportional to 15,541.67, 21,447.64 and 8,467.94

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Solution

The fourth proportional to 15,541.67, 21,447.64 and 8,467.94 is: 11,685.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,541.67 : 21,447.64 = 8,467.94 : x
  2. Step 2: Convert to fraction form
    15,541.67/21,447.64 = 8,467.94/x
  3. Step 3: Cross multiply
    15,541.67x = 21,447.64 × 8,467.94
  4. Step 4: Simplify right side
    15,541.67x = 181,617,345.23
  5. Step 5: Solve for x
    x = 181,617,345.23/15,541.67
  6. Step 6: Final answer
    x = 11,685.83

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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.