Home / 11,216.57-15,478.31-6,180.68

Finding the Fourth Proportional to 11,216.57, 15,478.31 and 6,180.68

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Solution

The fourth proportional to 11,216.57, 15,478.31 and 6,180.68 is: 8,529.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.57 : 15,478.31 = 6,180.68 : x
  2. Step 2: Convert to fraction form
    11,216.57/15,478.31 = 6,180.68/x
  3. Step 3: Cross multiply
    11,216.57x = 15,478.31 × 6,180.68
  4. Step 4: Simplify right side
    11,216.57x = 95,666,501.19
  5. Step 5: Solve for x
    x = 95,666,501.19/11,216.57
  6. Step 6: Final answer
    x = 8,529.03

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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.