Home / 13,412.32-18,508.45-7,444.24

Finding the Fourth Proportional to 13,412.32, 18,508.45 and 7,444.24

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Solution

The fourth proportional to 13,412.32, 18,508.45 and 7,444.24 is: 10,272.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,412.32 : 18,508.45 = 7,444.24 : x
  2. Step 2: Convert to fraction form
    13,412.32/18,508.45 = 7,444.24/x
  3. Step 3: Cross multiply
    13,412.32x = 18,508.45 × 7,444.24
  4. Step 4: Simplify right side
    13,412.32x = 137,781,232.68
  5. Step 5: Solve for x
    x = 137,781,232.68/13,412.32
  6. Step 6: Final answer
    x = 10,272.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.