Home / 10,894.38-16,339.48-4,230.87

Finding the Fourth Proportional to 10,894.38, 16,339.48 and 4,230.87

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Solution

The fourth proportional to 10,894.38, 16,339.48 and 4,230.87 is: 6,345.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,894.38 : 16,339.48 = 4,230.87 : x
  2. Step 2: Convert to fraction form
    10,894.38/16,339.48 = 4,230.87/x
  3. Step 3: Cross multiply
    10,894.38x = 16,339.48 × 4,230.87
  4. Step 4: Simplify right side
    10,894.38x = 69,130,215.75
  5. Step 5: Solve for x
    x = 69,130,215.75/10,894.38
  6. Step 6: Final answer
    x = 6,345.49

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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.