Home / 19,622.79-29,394.78-9,078.04

Finding the Fourth Proportional to 19,622.79, 29,394.78 and 9,078.04

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Solution

The fourth proportional to 19,622.79, 29,394.78 and 9,078.04 is: 13,598.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,622.79 : 29,394.78 = 9,078.04 : x
  2. Step 2: Convert to fraction form
    19,622.79/29,394.78 = 9,078.04/x
  3. Step 3: Cross multiply
    19,622.79x = 29,394.78 × 9,078.04
  4. Step 4: Simplify right side
    19,622.79x = 266,846,988.63
  5. Step 5: Solve for x
    x = 266,846,988.63/19,622.79
  6. Step 6: Final answer
    x = 13,598.83

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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.