Home / 17,154.48-25,774.78-10,917.20

Finding the Fourth Proportional to 17,154.48, 25,774.78 and 10,917.20

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Solution

The fourth proportional to 17,154.48, 25,774.78 and 10,917.20 is: 16,403.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,154.48 : 25,774.78 = 10,917.20 : x
  2. Step 2: Convert to fraction form
    17,154.48/25,774.78 = 10,917.20/x
  3. Step 3: Cross multiply
    17,154.48x = 25,774.78 × 10,917.20
  4. Step 4: Simplify right side
    17,154.48x = 281,388,428.22
  5. Step 5: Solve for x
    x = 281,388,428.22/17,154.48
  6. Step 6: Final answer
    x = 16,403.20

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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.