Home / 14,454.39-19,942.06-8,787.36

Finding the Fourth Proportional to 14,454.39, 19,942.06 and 8,787.36

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Solution

The fourth proportional to 14,454.39, 19,942.06 and 8,787.36 is: 12,123.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,454.39 : 19,942.06 = 8,787.36 : x
  2. Step 2: Convert to fraction form
    14,454.39/19,942.06 = 8,787.36/x
  3. Step 3: Cross multiply
    14,454.39x = 19,942.06 × 8,787.36
  4. Step 4: Simplify right side
    14,454.39x = 175,238,060.36
  5. Step 5: Solve for x
    x = 175,238,060.36/14,454.39
  6. Step 6: Final answer
    x = 12,123.52

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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.