Home / 19,013.18-28,487.66-8,467.07

Finding the Fourth Proportional to 19,013.18, 28,487.66 and 8,467.07

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Solution

The fourth proportional to 19,013.18, 28,487.66 and 8,467.07 is: 12,686.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,013.18 : 28,487.66 = 8,467.07 : x
  2. Step 2: Convert to fraction form
    19,013.18/28,487.66 = 8,467.07/x
  3. Step 3: Cross multiply
    19,013.18x = 28,487.66 × 8,467.07
  4. Step 4: Simplify right side
    19,013.18x = 241,206,826.58
  5. Step 5: Solve for x
    x = 241,206,826.58/19,013.18
  6. Step 6: Final answer
    x = 12,686.30

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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.