Home / 13,206.27-18,224.66-7,901.07

Finding the Fourth Proportional to 13,206.27, 18,224.66 and 7,901.07

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Solution

The fourth proportional to 13,206.27, 18,224.66 and 7,901.07 is: 10,903.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206.27 : 18,224.66 = 7,901.07 : x
  2. Step 2: Convert to fraction form
    13,206.27/18,224.66 = 7,901.07/x
  3. Step 3: Cross multiply
    13,206.27x = 18,224.66 × 7,901.07
  4. Step 4: Simplify right side
    13,206.27x = 143,994,274.88
  5. Step 5: Solve for x
    x = 143,994,274.88/13,206.27
  6. Step 6: Final answer
    x = 10,903.48

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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.