Home / 15,550.18-21,461.30-8,837.96

Finding the Fourth Proportional to 15,550.18, 21,461.30 and 8,837.96

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Solution

The fourth proportional to 15,550.18, 21,461.30 and 8,837.96 is: 12,197.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,550.18 : 21,461.30 = 8,837.96 : x
  2. Step 2: Convert to fraction form
    15,550.18/21,461.30 = 8,837.96/x
  3. Step 3: Cross multiply
    15,550.18x = 21,461.30 × 8,837.96
  4. Step 4: Simplify right side
    15,550.18x = 189,674,163.03
  5. Step 5: Solve for x
    x = 189,674,163.03/15,550.18
  6. Step 6: Final answer
    x = 12,197.56

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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.