Home / 19,604.04-29,398.70-7,120.98

Finding the Fourth Proportional to 19,604.04, 29,398.70 and 7,120.98

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Solution

The fourth proportional to 19,604.04, 29,398.70 and 7,120.98 is: 10,678.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,604.04 : 29,398.70 = 7,120.98 : x
  2. Step 2: Convert to fraction form
    19,604.04/29,398.70 = 7,120.98/x
  3. Step 3: Cross multiply
    19,604.04x = 29,398.70 × 7,120.98
  4. Step 4: Simplify right side
    19,604.04x = 209,347,532.47
  5. Step 5: Solve for x
    x = 209,347,532.47/19,604.04
  6. Step 6: Final answer
    x = 10,678.79

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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.