Home / 17,389.71-26,088.67-13,845.23

Finding the Fourth Proportional to 17,389.71, 26,088.67 and 13,845.23

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Solution

The fourth proportional to 17,389.71, 26,088.67 and 13,845.23 is: 20,771.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,389.71 : 26,088.67 = 13,845.23 : x
  2. Step 2: Convert to fraction form
    17,389.71/26,088.67 = 13,845.23/x
  3. Step 3: Cross multiply
    17,389.71x = 26,088.67 × 13,845.23
  4. Step 4: Simplify right side
    17,389.71x = 361,203,640.71
  5. Step 5: Solve for x
    x = 361,203,640.71/17,389.71
  6. Step 6: Final answer
    x = 20,771.12

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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.