Home / 12,637.44-18,960.36-5,245.32

Finding the Fourth Proportional to 12,637.44, 18,960.36 and 5,245.32

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Solution

The fourth proportional to 12,637.44, 18,960.36 and 5,245.32 is: 7,869.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,637.44 : 18,960.36 = 5,245.32 : x
  2. Step 2: Convert to fraction form
    12,637.44/18,960.36 = 5,245.32/x
  3. Step 3: Cross multiply
    12,637.44x = 18,960.36 × 5,245.32
  4. Step 4: Simplify right side
    12,637.44x = 99,453,155.52
  5. Step 5: Solve for x
    x = 99,453,155.52/12,637.44
  6. Step 6: Final answer
    x = 7,869.72

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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.