Home / 11,787.20-16,264.32-7,005.26

Finding the Fourth Proportional to 11,787.20, 16,264.32 and 7,005.26

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Solution

The fourth proportional to 11,787.20, 16,264.32 and 7,005.26 is: 9,666.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,787.20 : 16,264.32 = 7,005.26 : x
  2. Step 2: Convert to fraction form
    11,787.20/16,264.32 = 7,005.26/x
  3. Step 3: Cross multiply
    11,787.20x = 16,264.32 × 7,005.26
  4. Step 4: Simplify right side
    11,787.20x = 113,935,790.32
  5. Step 5: Solve for x
    x = 113,935,790.32/11,787.20
  6. Step 6: Final answer
    x = 9,666.06

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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.