Home / 11,525.49-15,906.68-6,490.69

Finding the Fourth Proportional to 11,525.49, 15,906.68 and 6,490.69

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Solution

The fourth proportional to 11,525.49, 15,906.68 and 6,490.69 is: 8,958.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,525.49 : 15,906.68 = 6,490.69 : x
  2. Step 2: Convert to fraction form
    11,525.49/15,906.68 = 6,490.69/x
  3. Step 3: Cross multiply
    11,525.49x = 15,906.68 × 6,490.69
  4. Step 4: Simplify right side
    11,525.49x = 103,245,328.81
  5. Step 5: Solve for x
    x = 103,245,328.81/11,525.49
  6. Step 6: Final answer
    x = 8,958.00

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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.