Home / 19,606.28-29,391.59-7,120.94

Finding the Fourth Proportional to 19,606.28, 29,391.59 and 7,120.94

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Solution

The fourth proportional to 19,606.28, 29,391.59 and 7,120.94 is: 10,674.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,606.28 : 29,391.59 = 7,120.94 : x
  2. Step 2: Convert to fraction form
    19,606.28/29,391.59 = 7,120.94/x
  3. Step 3: Cross multiply
    19,606.28x = 29,391.59 × 7,120.94
  4. Step 4: Simplify right side
    19,606.28x = 209,295,566.33
  5. Step 5: Solve for x
    x = 209,295,566.33/19,606.28
  6. Step 6: Final answer
    x = 10,674.93

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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.