Home / 10,439.08-15,659.37-4,199.13

Finding the Fourth Proportional to 10,439.08, 15,659.37 and 4,199.13

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Solution

The fourth proportional to 10,439.08, 15,659.37 and 4,199.13 is: 6,299.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,439.08 : 15,659.37 = 4,199.13 : x
  2. Step 2: Convert to fraction form
    10,439.08/15,659.37 = 4,199.13/x
  3. Step 3: Cross multiply
    10,439.08x = 15,659.37 × 4,199.13
  4. Step 4: Simplify right side
    10,439.08x = 65,755,730.35
  5. Step 5: Solve for x
    x = 65,755,730.35/10,439.08
  6. Step 6: Final answer
    x = 6,299.00

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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.