Home / 19,325.72-28,951.80-11,011.46

Finding the Fourth Proportional to 19,325.72, 28,951.80 and 11,011.46

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Solution

The fourth proportional to 19,325.72, 28,951.80 and 11,011.46 is: 16,496.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,325.72 : 28,951.80 = 11,011.46 : x
  2. Step 2: Convert to fraction form
    19,325.72/28,951.80 = 11,011.46/x
  3. Step 3: Cross multiply
    19,325.72x = 28,951.80 × 11,011.46
  4. Step 4: Simplify right side
    19,325.72x = 318,801,587.63
  5. Step 5: Solve for x
    x = 318,801,587.63/19,325.72
  6. Step 6: Final answer
    x = 16,496.23

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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.