Home / 19,111.24-28,666.74-10,787.44

Finding the Fourth Proportional to 19,111.24, 28,666.74 and 10,787.44

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Solution

The fourth proportional to 19,111.24, 28,666.74 and 10,787.44 is: 16,181.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,111.24 : 28,666.74 = 10,787.44 : x
  2. Step 2: Convert to fraction form
    19,111.24/28,666.74 = 10,787.44/x
  3. Step 3: Cross multiply
    19,111.24x = 28,666.74 × 10,787.44
  4. Step 4: Simplify right side
    19,111.24x = 309,240,737.75
  5. Step 5: Solve for x
    x = 309,240,737.75/19,111.24
  6. Step 6: Final answer
    x = 16,181.09

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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.