Home / 15,530.70-23,277.83-8,131.35

Finding the Fourth Proportional to 15,530.70, 23,277.83 and 8,131.35

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Solution

The fourth proportional to 15,530.70, 23,277.83 and 8,131.35 is: 12,187.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,530.70 : 23,277.83 = 8,131.35 : x
  2. Step 2: Convert to fraction form
    15,530.70/23,277.83 = 8,131.35/x
  3. Step 3: Cross multiply
    15,530.70x = 23,277.83 × 8,131.35
  4. Step 4: Simplify right side
    15,530.70x = 189,280,142.31
  5. Step 5: Solve for x
    x = 189,280,142.31/15,530.70
  6. Step 6: Final answer
    x = 12,187.48

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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.