Home / 15,590.52-21,514.58-8,516.98

Finding the Fourth Proportional to 15,590.52, 21,514.58 and 8,516.98

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Solution

The fourth proportional to 15,590.52, 21,514.58 and 8,516.98 is: 11,753.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,590.52 : 21,514.58 = 8,516.98 : x
  2. Step 2: Convert to fraction form
    15,590.52/21,514.58 = 8,516.98/x
  3. Step 3: Cross multiply
    15,590.52x = 21,514.58 × 8,516.98
  4. Step 4: Simplify right side
    15,590.52x = 183,239,247.57
  5. Step 5: Solve for x
    x = 183,239,247.57/15,590.52
  6. Step 6: Final answer
    x = 11,753.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.