Home / 13,309.37-19,944.91-9,154.07

Finding the Fourth Proportional to 13,309.37, 19,944.91 and 9,154.07

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Solution

The fourth proportional to 13,309.37, 19,944.91 and 9,154.07 is: 13,717.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309.37 : 19,944.91 = 9,154.07 : x
  2. Step 2: Convert to fraction form
    13,309.37/19,944.91 = 9,154.07/x
  3. Step 3: Cross multiply
    13,309.37x = 19,944.91 × 9,154.07
  4. Step 4: Simplify right side
    13,309.37x = 182,577,102.28
  5. Step 5: Solve for x
    x = 182,577,102.28/13,309.37
  6. Step 6: Final answer
    x = 13,717.94

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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.