Home / 13,755.37-18,998.04-9,271.39

Finding the Fourth Proportional to 13,755.37, 18,998.04 and 9,271.39

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Solution

The fourth proportional to 13,755.37, 18,998.04 and 9,271.39 is: 12,805.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,755.37 : 18,998.04 = 9,271.39 : x
  2. Step 2: Convert to fraction form
    13,755.37/18,998.04 = 9,271.39/x
  3. Step 3: Cross multiply
    13,755.37x = 18,998.04 × 9,271.39
  4. Step 4: Simplify right side
    13,755.37x = 176,138,238.08
  5. Step 5: Solve for x
    x = 176,138,238.08/13,755.37
  6. Step 6: Final answer
    x = 12,805.05

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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.