Home / 20,374.53-30,595.74-13,753.72

Finding the Fourth Proportional to 20,374.53, 30,595.74 and 13,753.72

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Solution

The fourth proportional to 20,374.53, 30,595.74 and 13,753.72 is: 20,653.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,374.53 : 30,595.74 = 13,753.72 : x
  2. Step 2: Convert to fraction form
    20,374.53/30,595.74 = 13,753.72/x
  3. Step 3: Cross multiply
    20,374.53x = 30,595.74 × 13,753.72
  4. Step 4: Simplify right side
    20,374.53x = 420,805,241.15
  5. Step 5: Solve for x
    x = 420,805,241.15/20,374.53
  6. Step 6: Final answer
    x = 20,653.50

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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.