Home / 9,943.98-13,744.63-8,739.93

Finding the Fourth Proportional to 9,943.98, 13,744.63 and 8,739.93

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Solution

The fourth proportional to 9,943.98, 13,744.63 and 8,739.93 is: 12,080.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,943.98 : 13,744.63 = 8,739.93 : x
  2. Step 2: Convert to fraction form
    9,943.98/13,744.63 = 8,739.93/x
  3. Step 3: Cross multiply
    9,943.98x = 13,744.63 × 8,739.93
  4. Step 4: Simplify right side
    9,943.98x = 120,127,104.08
  5. Step 5: Solve for x
    x = 120,127,104.08/9,943.98
  6. Step 6: Final answer
    x = 12,080.38

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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.