Home / 19,604.04-29,412.90-9,216.60

Finding the Fourth Proportional to 19,604.04, 29,412.90 and 9,216.60

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Solution

The fourth proportional to 19,604.04, 29,412.90 and 9,216.60 is: 13,828.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,604.04 : 29,412.90 = 9,216.60 : x
  2. Step 2: Convert to fraction form
    19,604.04/29,412.90 = 9,216.60/x
  3. Step 3: Cross multiply
    19,604.04x = 29,412.90 × 9,216.60
  4. Step 4: Simplify right side
    19,604.04x = 271,086,934.14
  5. Step 5: Solve for x
    x = 271,086,934.14/19,604.04
  6. Step 6: Final answer
    x = 13,828.12

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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.