Home / 16,675.54-23,020.62-12,890.16

Finding the Fourth Proportional to 16,675.54, 23,020.62 and 12,890.16

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Solution

The fourth proportional to 16,675.54, 23,020.62 and 12,890.16 is: 17,794.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,675.54 : 23,020.62 = 12,890.16 : x
  2. Step 2: Convert to fraction form
    16,675.54/23,020.62 = 12,890.16/x
  3. Step 3: Cross multiply
    16,675.54x = 23,020.62 × 12,890.16
  4. Step 4: Simplify right side
    16,675.54x = 296,739,475.10
  5. Step 5: Solve for x
    x = 296,739,475.10/16,675.54
  6. Step 6: Final answer
    x = 17,794.89

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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.