Home / 13,864.22-20,798.49-8,316.26

Finding the Fourth Proportional to 13,864.22, 20,798.49 and 8,316.26

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Solution

The fourth proportional to 13,864.22, 20,798.49 and 8,316.26 is: 12,475.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,864.22 : 20,798.49 = 8,316.26 : x
  2. Step 2: Convert to fraction form
    13,864.22/20,798.49 = 8,316.26/x
  3. Step 3: Cross multiply
    13,864.22x = 20,798.49 × 8,316.26
  4. Step 4: Simplify right side
    13,864.22x = 172,965,650.45
  5. Step 5: Solve for x
    x = 172,965,650.45/13,864.22
  6. Step 6: Final answer
    x = 12,475.69

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1.5x scale

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.