Home / 12,693.14-19,034.90-9,172.50

Finding the Fourth Proportional to 12,693.14, 19,034.90 and 9,172.50

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Solution

The fourth proportional to 12,693.14, 19,034.90 and 9,172.50 is: 13,755.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,693.14 : 19,034.90 = 9,172.50 : x
  2. Step 2: Convert to fraction form
    12,693.14/19,034.90 = 9,172.50/x
  3. Step 3: Cross multiply
    12,693.14x = 19,034.90 × 9,172.50
  4. Step 4: Simplify right side
    12,693.14x = 174,597,590.94
  5. Step 5: Solve for x
    x = 174,597,590.94/12,693.14
  6. Step 6: Final answer
    x = 13,755.27

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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.