Home / 17,019.45-23,460.81-11,969.91

Finding the Fourth Proportional to 17,019.45, 23,460.81 and 11,969.91

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Solution

The fourth proportional to 17,019.45, 23,460.81 and 11,969.91 is: 16,500.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,019.45 : 23,460.81 = 11,969.91 : x
  2. Step 2: Convert to fraction form
    17,019.45/23,460.81 = 11,969.91/x
  3. Step 3: Cross multiply
    17,019.45x = 23,460.81 × 11,969.91
  4. Step 4: Simplify right side
    17,019.45x = 280,823,784.23
  5. Step 5: Solve for x
    x = 280,823,784.23/17,019.45
  6. Step 6: Final answer
    x = 16,500.17

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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.