Home / 22,382.64-30,888.93-13,426.86

Finding the Fourth Proportional to 22,382.64, 30,888.93 and 13,426.86

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Solution

The fourth proportional to 22,382.64, 30,888.93 and 13,426.86 is: 18,529.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,382.64 : 30,888.93 = 13,426.86 : x
  2. Step 2: Convert to fraction form
    22,382.64/30,888.93 = 13,426.86/x
  3. Step 3: Cross multiply
    22,382.64x = 30,888.93 × 13,426.86
  4. Step 4: Simplify right side
    22,382.64x = 414,741,338.66
  5. Step 5: Solve for x
    x = 414,741,338.66/22,382.64
  6. Step 6: Final answer
    x = 18,529.60

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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.