Home / 19,504.45-29,266.80-9,116.20

Finding the Fourth Proportional to 19,504.45, 29,266.80 and 9,116.20

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Solution

The fourth proportional to 19,504.45, 29,266.80 and 9,116.20 is: 13,679.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,504.45 : 29,266.80 = 9,116.20 : x
  2. Step 2: Convert to fraction form
    19,504.45/29,266.80 = 9,116.20/x
  3. Step 3: Cross multiply
    19,504.45x = 29,266.80 × 9,116.20
  4. Step 4: Simplify right side
    19,504.45x = 266,802,002.16
  5. Step 5: Solve for x
    x = 266,802,002.16/19,504.45
  6. Step 6: Final answer
    x = 13,679.03

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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.