Home / 17,389.68-23,990.76-11,100.84

Finding the Fourth Proportional to 17,389.68, 23,990.76 and 11,100.84

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Solution

The fourth proportional to 17,389.68, 23,990.76 and 11,100.84 is: 15,314.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,389.68 : 23,990.76 = 11,100.84 : x
  2. Step 2: Convert to fraction form
    17,389.68/23,990.76 = 11,100.84/x
  3. Step 3: Cross multiply
    17,389.68x = 23,990.76 × 11,100.84
  4. Step 4: Simplify right side
    17,389.68x = 266,317,588.24
  5. Step 5: Solve for x
    x = 266,317,588.24/17,389.68
  6. Step 6: Final answer
    x = 15,314.69

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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.