Home / 15,664.07-21,616.01-8,590.03

Finding the Fourth Proportional to 15,664.07, 21,616.01 and 8,590.03

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Solution

The fourth proportional to 15,664.07, 21,616.01 and 8,590.03 is: 11,854.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,664.07 : 21,616.01 = 8,590.03 : x
  2. Step 2: Convert to fraction form
    15,664.07/21,616.01 = 8,590.03/x
  3. Step 3: Cross multiply
    15,664.07x = 21,616.01 × 8,590.03
  4. Step 4: Simplify right side
    15,664.07x = 185,682,174.38
  5. Step 5: Solve for x
    x = 185,682,174.38/15,664.07
  6. Step 6: Final answer
    x = 11,854.02

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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.