Home / 11,787.40-16,266.90-6,482.32

Finding the Fourth Proportional to 11,787.40, 16,266.90 and 6,482.32

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Solution

The fourth proportional to 11,787.40, 16,266.90 and 6,482.32 is: 8,945.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,787.40 : 16,266.90 = 6,482.32 : x
  2. Step 2: Convert to fraction form
    11,787.40/16,266.90 = 6,482.32/x
  3. Step 3: Cross multiply
    11,787.40x = 16,266.90 × 6,482.32
  4. Step 4: Simplify right side
    11,787.40x = 105,447,251.21
  5. Step 5: Solve for x
    x = 105,447,251.21/11,787.40
  6. Step 6: Final answer
    x = 8,945.76

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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.