Home / 10,914.08-16,372.88-4,340.32

Finding the Fourth Proportional to 10,914.08, 16,372.88 and 4,340.32

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Solution

The fourth proportional to 10,914.08, 16,372.88 and 4,340.32 is: 6,511.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,914.08 : 16,372.88 = 4,340.32 : x
  2. Step 2: Convert to fraction form
    10,914.08/16,372.88 = 4,340.32/x
  3. Step 3: Cross multiply
    10,914.08x = 16,372.88 × 4,340.32
  4. Step 4: Simplify right side
    10,914.08x = 71,063,538.52
  5. Step 5: Solve for x
    x = 71,063,538.52/10,914.08
  6. Step 6: Final answer
    x = 6,511.18

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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.