Home / 13,246.76-19,874.99-12,464.30

Finding the Fourth Proportional to 13,246.76, 19,874.99 and 12,464.30

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Solution

The fourth proportional to 13,246.76, 19,874.99 and 12,464.30 is: 18,701.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246.76 : 19,874.99 = 12,464.30 : x
  2. Step 2: Convert to fraction form
    13,246.76/19,874.99 = 12,464.30/x
  3. Step 3: Cross multiply
    13,246.76x = 19,874.99 × 12,464.30
  4. Step 4: Simplify right side
    13,246.76x = 247,727,837.86
  5. Step 5: Solve for x
    x = 247,727,837.86/13,246.76
  6. Step 6: Final answer
    x = 18,701.01

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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.