Home / 13,006.08-19,514.52-7,162.20

Finding the Fourth Proportional to 13,006.08, 19,514.52 and 7,162.20

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Solution

The fourth proportional to 13,006.08, 19,514.52 and 7,162.20 is: 10,746.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,006.08 : 19,514.52 = 7,162.20 : x
  2. Step 2: Convert to fraction form
    13,006.08/19,514.52 = 7,162.20/x
  3. Step 3: Cross multiply
    13,006.08x = 19,514.52 × 7,162.20
  4. Step 4: Simplify right side
    13,006.08x = 139,766,895.14
  5. Step 5: Solve for x
    x = 139,766,895.14/13,006.08
  6. Step 6: Final answer
    x = 10,746.27

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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.