Home / 17,968.78-24,795.48-10,899.10

Finding the Fourth Proportional to 17,968.78, 24,795.48 and 10,899.10

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Solution

The fourth proportional to 17,968.78, 24,795.48 and 10,899.10 is: 15,039.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,968.78 : 24,795.48 = 10,899.10 : x
  2. Step 2: Convert to fraction form
    17,968.78/24,795.48 = 10,899.10/x
  3. Step 3: Cross multiply
    17,968.78x = 24,795.48 × 10,899.10
  4. Step 4: Simplify right side
    17,968.78x = 270,248,416.07
  5. Step 5: Solve for x
    x = 270,248,416.07/17,968.78
  6. Step 6: Final answer
    x = 15,039.89

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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.