Home / 15,708.89-23,550.54-8,688.62

Finding the Fourth Proportional to 15,708.89, 23,550.54 and 8,688.62

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Solution

The fourth proportional to 15,708.89, 23,550.54 and 8,688.62 is: 13,025.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,708.89 : 23,550.54 = 8,688.62 : x
  2. Step 2: Convert to fraction form
    15,708.89/23,550.54 = 8,688.62/x
  3. Step 3: Cross multiply
    15,708.89x = 23,550.54 × 8,688.62
  4. Step 4: Simplify right side
    15,708.89x = 204,621,692.85
  5. Step 5: Solve for x
    x = 204,621,692.85/15,708.89
  6. Step 6: Final answer
    x = 13,025.85

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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.