Home / 17,885.09-26,830.46-5,403.56

Finding the Fourth Proportional to 17,885.09, 26,830.46 and 5,403.56

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Solution

The fourth proportional to 17,885.09, 26,830.46 and 5,403.56 is: 8,106.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,885.09 : 26,830.46 = 5,403.56 : x
  2. Step 2: Convert to fraction form
    17,885.09/26,830.46 = 5,403.56/x
  3. Step 3: Cross multiply
    17,885.09x = 26,830.46 × 5,403.56
  4. Step 4: Simplify right side
    17,885.09x = 144,979,839.27
  5. Step 5: Solve for x
    x = 144,979,839.27/17,885.09
  6. Step 6: Final answer
    x = 8,106.19

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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.