Home / 10,787.12-16,173.98-4,543.92

Finding the Fourth Proportional to 10,787.12, 16,173.98 and 4,543.92

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Solution

The fourth proportional to 10,787.12, 16,173.98 and 4,543.92 is: 6,813.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787.12 : 16,173.98 = 4,543.92 : x
  2. Step 2: Convert to fraction form
    10,787.12/16,173.98 = 4,543.92/x
  3. Step 3: Cross multiply
    10,787.12x = 16,173.98 × 4,543.92
  4. Step 4: Simplify right side
    10,787.12x = 73,493,271.20
  5. Step 5: Solve for x
    x = 73,493,271.20/10,787.12
  6. Step 6: Final answer
    x = 6,813.06

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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.