Home / 15,682.01-21,641.13-8,608.28

Finding the Fourth Proportional to 15,682.01, 21,641.13 and 8,608.28

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Solution

The fourth proportional to 15,682.01, 21,641.13 and 8,608.28 is: 11,879.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,682.01 : 21,641.13 = 8,608.28 : x
  2. Step 2: Convert to fraction form
    15,682.01/21,641.13 = 8,608.28/x
  3. Step 3: Cross multiply
    15,682.01x = 21,641.13 × 8,608.28
  4. Step 4: Simplify right side
    15,682.01x = 186,292,798.35
  5. Step 5: Solve for x
    x = 186,292,798.35/15,682.01
  6. Step 6: Final answer
    x = 11,879.40

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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.