Home / 12,996.32-19,494.96-12,322.40

Finding the Fourth Proportional to 12,996.32, 19,494.96 and 12,322.40

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Solution

The fourth proportional to 12,996.32, 19,494.96 and 12,322.40 is: 18,484.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,996.32 : 19,494.96 = 12,322.40 : x
  2. Step 2: Convert to fraction form
    12,996.32/19,494.96 = 12,322.40/x
  3. Step 3: Cross multiply
    12,996.32x = 19,494.96 × 12,322.40
  4. Step 4: Simplify right side
    12,996.32x = 240,224,695.10
  5. Step 5: Solve for x
    x = 240,224,695.10/12,996.32
  6. Step 6: Final answer
    x = 18,484.06

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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.