Home / 10,400.19-15,594.81-8,945.83

Finding the Fourth Proportional to 10,400.19, 15,594.81 and 8,945.83

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Solution

The fourth proportional to 10,400.19, 15,594.81 and 8,945.83 is: 13,414.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400.19 : 15,594.81 = 8,945.83 : x
  2. Step 2: Convert to fraction form
    10,400.19/15,594.81 = 8,945.83/x
  3. Step 3: Cross multiply
    10,400.19x = 15,594.81 × 8,945.83
  4. Step 4: Simplify right side
    10,400.19x = 139,508,519.14
  5. Step 5: Solve for x
    x = 139,508,519.14/10,400.19
  6. Step 6: Final answer
    x = 13,414.04

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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.