Home / 9,937.14-13,705.25-8,739.55

Finding the Fourth Proportional to 9,937.14, 13,705.25 and 8,739.55

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Solution

The fourth proportional to 9,937.14, 13,705.25 and 8,739.55 is: 12,053.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,937.14 : 13,705.25 = 8,739.55 : x
  2. Step 2: Convert to fraction form
    9,937.14/13,705.25 = 8,739.55/x
  3. Step 3: Cross multiply
    9,937.14x = 13,705.25 × 8,739.55
  4. Step 4: Simplify right side
    9,937.14x = 119,777,717.64
  5. Step 5: Solve for x
    x = 119,777,717.64/9,937.14
  6. Step 6: Final answer
    x = 12,053.54

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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.