Home / 15,514.62-23,271.96-5,127.18

Finding the Fourth Proportional to 15,514.62, 23,271.96 and 5,127.18

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Solution

The fourth proportional to 15,514.62, 23,271.96 and 5,127.18 is: 7,690.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,514.62 : 23,271.96 = 5,127.18 : x
  2. Step 2: Convert to fraction form
    15,514.62/23,271.96 = 5,127.18/x
  3. Step 3: Cross multiply
    15,514.62x = 23,271.96 × 5,127.18
  4. Step 4: Simplify right side
    15,514.62x = 119,319,527.87
  5. Step 5: Solve for x
    x = 119,319,527.87/15,514.62
  6. Step 6: Final answer
    x = 7,690.78

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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.