Home / 10,349.74-15,515.79-4,108.30

Finding the Fourth Proportional to 10,349.74, 15,515.79 and 4,108.30

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Solution

The fourth proportional to 10,349.74, 15,515.79 and 4,108.30 is: 6,158.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,349.74 : 15,515.79 = 4,108.30 : x
  2. Step 2: Convert to fraction form
    10,349.74/15,515.79 = 4,108.30/x
  3. Step 3: Cross multiply
    10,349.74x = 15,515.79 × 4,108.30
  4. Step 4: Simplify right side
    10,349.74x = 63,743,520.06
  5. Step 5: Solve for x
    x = 63,743,520.06/10,349.74
  6. Step 6: Final answer
    x = 6,158.95

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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.