Home / 11,530.71-17,295.77-3,210.39

Finding the Fourth Proportional to 11,530.71, 17,295.77 and 3,210.39

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Solution

The fourth proportional to 11,530.71, 17,295.77 and 3,210.39 is: 4,815.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,530.71 : 17,295.77 = 3,210.39 : x
  2. Step 2: Convert to fraction form
    11,530.71/17,295.77 = 3,210.39/x
  3. Step 3: Cross multiply
    11,530.71x = 17,295.77 × 3,210.39
  4. Step 4: Simplify right side
    11,530.71x = 55,526,151.00
  5. Step 5: Solve for x
    x = 55,526,151.00/11,530.71
  6. Step 6: Final answer
    x = 4,815.50

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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.