Home / 16,864.23-23,271.67-9,310.38

Finding the Fourth Proportional to 16,864.23, 23,271.67 and 9,310.38

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Solution

The fourth proportional to 16,864.23, 23,271.67 and 9,310.38 is: 12,847.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,864.23 : 23,271.67 = 9,310.38 : x
  2. Step 2: Convert to fraction form
    16,864.23/23,271.67 = 9,310.38/x
  3. Step 3: Cross multiply
    16,864.23x = 23,271.67 × 9,310.38
  4. Step 4: Simplify right side
    16,864.23x = 216,668,090.93
  5. Step 5: Solve for x
    x = 216,668,090.93/16,864.23
  6. Step 6: Final answer
    x = 12,847.79

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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.