Home / 18,719.83-25,837.14-17,225.38

Finding the Fourth Proportional to 18,719.83, 25,837.14 and 17,225.38

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Solution

The fourth proportional to 18,719.83, 25,837.14 and 17,225.38 is: 23,774.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,719.83 : 25,837.14 = 17,225.38 : x
  2. Step 2: Convert to fraction form
    18,719.83/25,837.14 = 17,225.38/x
  3. Step 3: Cross multiply
    18,719.83x = 25,837.14 × 17,225.38
  4. Step 4: Simplify right side
    18,719.83x = 445,054,554.61
  5. Step 5: Solve for x
    x = 445,054,554.61/18,719.83
  6. Step 6: Final answer
    x = 23,774.50

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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.