Home / 20,261.68-30,403.22-14,376.59

Finding the Fourth Proportional to 20,261.68, 30,403.22 and 14,376.59

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Solution

The fourth proportional to 20,261.68, 30,403.22 and 14,376.59 is: 21,572.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,261.68 : 30,403.22 = 14,376.59 : x
  2. Step 2: Convert to fraction form
    20,261.68/30,403.22 = 14,376.59/x
  3. Step 3: Cross multiply
    20,261.68x = 30,403.22 × 14,376.59
  4. Step 4: Simplify right side
    20,261.68x = 437,094,632.74
  5. Step 5: Solve for x
    x = 437,094,632.74/20,261.68
  6. Step 6: Final answer
    x = 21,572.48

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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.