Home / 10,406.36-14,358.91-6,155.31

Finding the Fourth Proportional to 10,406.36, 14,358.91 and 6,155.31

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Solution

The fourth proportional to 10,406.36, 14,358.91 and 6,155.31 is: 8,493.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,406.36 : 14,358.91 = 6,155.31 : x
  2. Step 2: Convert to fraction form
    10,406.36/14,358.91 = 6,155.31/x
  3. Step 3: Cross multiply
    10,406.36x = 14,358.91 × 6,155.31
  4. Step 4: Simplify right side
    10,406.36x = 88,383,470.52
  5. Step 5: Solve for x
    x = 88,383,470.52/10,406.36
  6. Step 6: Final answer
    x = 8,493.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.