Home / 22,444.32-30,969.54-13,489.68

Finding the Fourth Proportional to 22,444.32, 30,969.54 and 13,489.68

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Solution

The fourth proportional to 22,444.32, 30,969.54 and 13,489.68 is: 18,613.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,444.32 : 30,969.54 = 13,489.68 : x
  2. Step 2: Convert to fraction form
    22,444.32/30,969.54 = 13,489.68/x
  3. Step 3: Cross multiply
    22,444.32x = 30,969.54 × 13,489.68
  4. Step 4: Simplify right side
    22,444.32x = 417,769,184.35
  5. Step 5: Solve for x
    x = 417,769,184.35/22,444.32
  6. Step 6: Final answer
    x = 18,613.58

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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.