Home / 20,835.32-31,244.88-7,504.76

Finding the Fourth Proportional to 20,835.32, 31,244.88 and 7,504.76

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Solution

The fourth proportional to 20,835.32, 31,244.88 and 7,504.76 is: 11,254.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,835.32 : 31,244.88 = 7,504.76 : x
  2. Step 2: Convert to fraction form
    20,835.32/31,244.88 = 7,504.76/x
  3. Step 3: Cross multiply
    20,835.32x = 31,244.88 × 7,504.76
  4. Step 4: Simplify right side
    20,835.32x = 234,485,325.63
  5. Step 5: Solve for x
    x = 234,485,325.63/20,835.32
  6. Step 6: Final answer
    x = 11,254.22

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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.