Home / 10,445.15-15,673.77-4,205.72

Finding the Fourth Proportional to 10,445.15, 15,673.77 and 4,205.72

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Solution

The fourth proportional to 10,445.15, 15,673.77 and 4,205.72 is: 6,311.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445.15 : 15,673.77 = 4,205.72 : x
  2. Step 2: Convert to fraction form
    10,445.15/15,673.77 = 4,205.72/x
  3. Step 3: Cross multiply
    10,445.15x = 15,673.77 × 4,205.72
  4. Step 4: Simplify right side
    10,445.15x = 65,919,527.15
  5. Step 5: Solve for x
    x = 65,919,527.15/10,445.15
  6. Step 6: Final answer
    x = 6,311.02

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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.