Home / 15,653.82-23,490.90-6,777.81

Finding the Fourth Proportional to 15,653.82, 23,490.90 and 6,777.81

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Solution

The fourth proportional to 15,653.82, 23,490.90 and 6,777.81 is: 10,171.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,653.82 : 23,490.90 = 6,777.81 : x
  2. Step 2: Convert to fraction form
    15,653.82/23,490.90 = 6,777.81/x
  3. Step 3: Cross multiply
    15,653.82x = 23,490.90 × 6,777.81
  4. Step 4: Simplify right side
    15,653.82x = 159,216,932.60
  5. Step 5: Solve for x
    x = 159,216,932.60/15,653.82
  6. Step 6: Final answer
    x = 10,171.13

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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.