Home / 12,962.76-19,439.25-4,195.32

Finding the Fourth Proportional to 12,962.76, 19,439.25 and 4,195.32

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Solution

The fourth proportional to 12,962.76, 19,439.25 and 4,195.32 is: 6,291.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,962.76 : 19,439.25 = 4,195.32 : x
  2. Step 2: Convert to fraction form
    12,962.76/19,439.25 = 4,195.32/x
  3. Step 3: Cross multiply
    12,962.76x = 19,439.25 × 4,195.32
  4. Step 4: Simplify right side
    12,962.76x = 81,553,874.31
  5. Step 5: Solve for x
    x = 81,553,874.31/12,962.76
  6. Step 6: Final answer
    x = 6,291.40

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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.