Home / 21,195.04-31,794.40-8,047.44

Finding the Fourth Proportional to 21,195.04, 31,794.40 and 8,047.44

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Solution

The fourth proportional to 21,195.04, 31,794.40 and 8,047.44 is: 12,071.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,195.04 : 31,794.40 = 8,047.44 : x
  2. Step 2: Convert to fraction form
    21,195.04/31,794.40 = 8,047.44/x
  3. Step 3: Cross multiply
    21,195.04x = 31,794.40 × 8,047.44
  4. Step 4: Simplify right side
    21,195.04x = 255,863,526.34
  5. Step 5: Solve for x
    x = 255,863,526.34/21,195.04
  6. Step 6: Final answer
    x = 12,071.86

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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.