Home / 15,658.96-21,609.33-8,585.83

Finding the Fourth Proportional to 15,658.96, 21,609.33 and 8,585.83

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Solution

The fourth proportional to 15,658.96, 21,609.33 and 8,585.83 is: 11,848.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,658.96 : 21,609.33 = 8,585.83 : x
  2. Step 2: Convert to fraction form
    15,658.96/21,609.33 = 8,585.83/x
  3. Step 3: Cross multiply
    15,658.96x = 21,609.33 × 8,585.83
  4. Step 4: Simplify right side
    15,658.96x = 185,534,033.79
  5. Step 5: Solve for x
    x = 185,534,033.79/15,658.96
  6. Step 6: Final answer
    x = 11,848.43

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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.