Home / 20,368.73-30,534.28-14,131.69

Finding the Fourth Proportional to 20,368.73, 30,534.28 and 14,131.69

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Solution

The fourth proportional to 20,368.73, 30,534.28 and 14,131.69 is: 21,184.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,368.73 : 30,534.28 = 14,131.69 : x
  2. Step 2: Convert to fraction form
    20,368.73/30,534.28 = 14,131.69/x
  3. Step 3: Cross multiply
    20,368.73x = 30,534.28 × 14,131.69
  4. Step 4: Simplify right side
    20,368.73x = 431,500,867.67
  5. Step 5: Solve for x
    x = 431,500,867.67/20,368.73
  6. Step 6: Final answer
    x = 21,184.47

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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.