Home / 10,625.34-15,939.95-3,509.99

Finding the Fourth Proportional to 10,625.34, 15,939.95 and 3,509.99

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Solution

The fourth proportional to 10,625.34, 15,939.95 and 3,509.99 is: 5,265.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,625.34 : 15,939.95 = 3,509.99 : x
  2. Step 2: Convert to fraction form
    10,625.34/15,939.95 = 3,509.99/x
  3. Step 3: Cross multiply
    10,625.34x = 15,939.95 × 3,509.99
  4. Step 4: Simplify right side
    10,625.34x = 55,948,967.85
  5. Step 5: Solve for x
    x = 55,948,967.85/10,625.34
  6. Step 6: Final answer
    x = 5,265.62

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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.