Home / 17,679.04-24,396.24-9,721.60

Finding the Fourth Proportional to 17,679.04, 24,396.24 and 9,721.60

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Solution

The fourth proportional to 17,679.04, 24,396.24 and 9,721.60 is: 13,415.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,679.04 : 24,396.24 = 9,721.60 : x
  2. Step 2: Convert to fraction form
    17,679.04/24,396.24 = 9,721.60/x
  3. Step 3: Cross multiply
    17,679.04x = 24,396.24 × 9,721.60
  4. Step 4: Simplify right side
    17,679.04x = 237,170,486.78
  5. Step 5: Solve for x
    x = 237,170,486.78/17,679.04
  6. Step 6: Final answer
    x = 13,415.35

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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.