Home / 20,437.07-30,611.24-9,884.96

Finding the Fourth Proportional to 20,437.07, 30,611.24 and 9,884.96

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Solution

The fourth proportional to 20,437.07, 30,611.24 and 9,884.96 is: 14,805.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,437.07 : 30,611.24 = 9,884.96 : x
  2. Step 2: Convert to fraction form
    20,437.07/30,611.24 = 9,884.96/x
  3. Step 3: Cross multiply
    20,437.07x = 30,611.24 × 9,884.96
  4. Step 4: Simplify right side
    20,437.07x = 302,590,833.53
  5. Step 5: Solve for x
    x = 302,590,833.53/20,437.07
  6. Step 6: Final answer
    x = 14,805.98

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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.