Home / 18,401.76-25,394.31-10,018.26

Finding the Fourth Proportional to 18,401.76, 25,394.31 and 10,018.26

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Solution

The fourth proportional to 18,401.76, 25,394.31 and 10,018.26 is: 13,825.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,401.76 : 25,394.31 = 10,018.26 : x
  2. Step 2: Convert to fraction form
    18,401.76/25,394.31 = 10,018.26/x
  3. Step 3: Cross multiply
    18,401.76x = 25,394.31 × 10,018.26
  4. Step 4: Simplify right side
    18,401.76x = 254,406,800.10
  5. Step 5: Solve for x
    x = 254,406,800.10/18,401.76
  6. Step 6: Final answer
    x = 13,825.13

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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.