Home / 19,012.62-28,514.61-9,146.82

Finding the Fourth Proportional to 19,012.62, 28,514.61 and 9,146.82

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Solution

The fourth proportional to 19,012.62, 28,514.61 and 9,146.82 is: 13,718.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,012.62 : 28,514.61 = 9,146.82 : x
  2. Step 2: Convert to fraction form
    19,012.62/28,514.61 = 9,146.82/x
  3. Step 3: Cross multiply
    19,012.62x = 28,514.61 × 9,146.82
  4. Step 4: Simplify right side
    19,012.62x = 260,818,005.04
  5. Step 5: Solve for x
    x = 260,818,005.04/19,012.62
  6. Step 6: Final answer
    x = 13,718.15

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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.