Home / 15,642.88-23,464.64-5,777.08

Finding the Fourth Proportional to 15,642.88, 23,464.64 and 5,777.08

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Solution

The fourth proportional to 15,642.88, 23,464.64 and 5,777.08 is: 8,665.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,642.88 : 23,464.64 = 5,777.08 : x
  2. Step 2: Convert to fraction form
    15,642.88/23,464.64 = 5,777.08/x
  3. Step 3: Cross multiply
    15,642.88x = 23,464.64 × 5,777.08
  4. Step 4: Simplify right side
    15,642.88x = 135,557,102.45
  5. Step 5: Solve for x
    x = 135,557,102.45/15,642.88
  6. Step 6: Final answer
    x = 8,665.74

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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.