Home / 19,013.04-28,520.06-9,015.44

Finding the Fourth Proportional to 19,013.04, 28,520.06 and 9,015.44

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Solution

The fourth proportional to 19,013.04, 28,520.06 and 9,015.44 is: 13,523.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,013.04 : 28,520.06 = 9,015.44 : x
  2. Step 2: Convert to fraction form
    19,013.04/28,520.06 = 9,015.44/x
  3. Step 3: Cross multiply
    19,013.04x = 28,520.06 × 9,015.44
  4. Step 4: Simplify right side
    19,013.04x = 257,120,889.73
  5. Step 5: Solve for x
    x = 257,120,889.73/19,013.04
  6. Step 6: Final answer
    x = 13,523.40

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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.