Home / 15,609.39-23,385.74-9,021.66

Finding the Fourth Proportional to 15,609.39, 23,385.74 and 9,021.66

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Solution

The fourth proportional to 15,609.39, 23,385.74 and 9,021.66 is: 13,516.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,609.39 : 23,385.74 = 9,021.66 : x
  2. Step 2: Convert to fraction form
    15,609.39/23,385.74 = 9,021.66/x
  3. Step 3: Cross multiply
    15,609.39x = 23,385.74 × 9,021.66
  4. Step 4: Simplify right side
    15,609.39x = 210,978,150.02
  5. Step 5: Solve for x
    x = 210,978,150.02/15,609.39
  6. Step 6: Final answer
    x = 13,516.10

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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.