Home / 18,389.16-25,379.64-17,263.08

Finding the Fourth Proportional to 18,389.16, 25,379.64 and 17,263.08

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Solution

The fourth proportional to 18,389.16, 25,379.64 and 17,263.08 is: 23,825.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,389.16 : 25,379.64 = 17,263.08 : x
  2. Step 2: Convert to fraction form
    18,389.16/25,379.64 = 17,263.08/x
  3. Step 3: Cross multiply
    18,389.16x = 25,379.64 × 17,263.08
  4. Step 4: Simplify right side
    18,389.16x = 438,130,755.69
  5. Step 5: Solve for x
    x = 438,130,755.69/18,389.16
  6. Step 6: Final answer
    x = 23,825.49

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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.