Home / 17,130.98-23,633.81-11,391.18

Finding the Fourth Proportional to 17,130.98, 23,633.81 and 11,391.18

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Solution

The fourth proportional to 17,130.98, 23,633.81 and 11,391.18 is: 15,715.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,130.98 : 23,633.81 = 11,391.18 : x
  2. Step 2: Convert to fraction form
    17,130.98/23,633.81 = 11,391.18/x
  3. Step 3: Cross multiply
    17,130.98x = 23,633.81 × 11,391.18
  4. Step 4: Simplify right side
    17,130.98x = 269,216,983.80
  5. Step 5: Solve for x
    x = 269,216,983.80/17,130.98
  6. Step 6: Final answer
    x = 15,715.22

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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.