Home / 19,630.49-29,406.42-9,086.18

Finding the Fourth Proportional to 19,630.49, 29,406.42 and 9,086.18

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Solution

The fourth proportional to 19,630.49, 29,406.42 and 9,086.18 is: 13,611.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,630.49 : 29,406.42 = 9,086.18 : x
  2. Step 2: Convert to fraction form
    19,630.49/29,406.42 = 9,086.18/x
  3. Step 3: Cross multiply
    19,630.49x = 29,406.42 × 9,086.18
  4. Step 4: Simplify right side
    19,630.49x = 267,191,878.24
  5. Step 5: Solve for x
    x = 267,191,878.24/19,630.49
  6. Step 6: Final answer
    x = 13,611.07

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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.