Home / 14,891.51-20,548.82-8,603.75

Finding the Fourth Proportional to 14,891.51, 20,548.82 and 8,603.75

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Solution

The fourth proportional to 14,891.51, 20,548.82 and 8,603.75 is: 11,872.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,891.51 : 20,548.82 = 8,603.75 : x
  2. Step 2: Convert to fraction form
    14,891.51/20,548.82 = 8,603.75/x
  3. Step 3: Cross multiply
    14,891.51x = 20,548.82 × 8,603.75
  4. Step 4: Simplify right side
    14,891.51x = 176,796,764.31
  5. Step 5: Solve for x
    x = 176,796,764.31/14,891.51
  6. Step 6: Final answer
    x = 11,872.32

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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.