Home / 16,910.36-25,366.65-4,430.69

Finding the Fourth Proportional to 16,910.36, 25,366.65 and 4,430.69

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Solution

The fourth proportional to 16,910.36, 25,366.65 and 4,430.69 is: 6,646.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,910.36 : 25,366.65 = 4,430.69 : x
  2. Step 2: Convert to fraction form
    16,910.36/25,366.65 = 4,430.69/x
  3. Step 3: Cross multiply
    16,910.36x = 25,366.65 × 4,430.69
  4. Step 4: Simplify right side
    16,910.36x = 112,391,747.40
  5. Step 5: Solve for x
    x = 112,391,747.40/16,910.36
  6. Step 6: Final answer
    x = 6,646.33

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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.