Home / 17,666.44-26,441.97-12,985.21

Finding the Fourth Proportional to 17,666.44, 26,441.97 and 12,985.21

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Solution

The fourth proportional to 17,666.44, 26,441.97 and 12,985.21 is: 19,435.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,666.44 : 26,441.97 = 12,985.21 : x
  2. Step 2: Convert to fraction form
    17,666.44/26,441.97 = 12,985.21/x
  3. Step 3: Cross multiply
    17,666.44x = 26,441.97 × 12,985.21
  4. Step 4: Simplify right side
    17,666.44x = 343,354,533.26
  5. Step 5: Solve for x
    x = 343,354,533.26/17,666.44
  6. Step 6: Final answer
    x = 19,435.41

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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.