Home / 12,444.32-18,663.58-7,168.12

Finding the Fourth Proportional to 12,444.32, 18,663.58 and 7,168.12

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Solution

The fourth proportional to 12,444.32, 18,663.58 and 7,168.12 is: 10,750.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444.32 : 18,663.58 = 7,168.12 : x
  2. Step 2: Convert to fraction form
    12,444.32/18,663.58 = 7,168.12/x
  3. Step 3: Cross multiply
    12,444.32x = 18,663.58 × 7,168.12
  4. Step 4: Simplify right side
    12,444.32x = 133,782,651.91
  5. Step 5: Solve for x
    x = 133,782,651.91/12,444.32
  6. Step 6: Final answer
    x = 10,750.50

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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.