Home / 19,812.74-29,702.75-9,277.56

Finding the Fourth Proportional to 19,812.74, 29,702.75 and 9,277.56

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Solution

The fourth proportional to 19,812.74, 29,702.75 and 9,277.56 is: 13,908.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,812.74 : 29,702.75 = 9,277.56 : x
  2. Step 2: Convert to fraction form
    19,812.74/29,702.75 = 9,277.56/x
  3. Step 3: Cross multiply
    19,812.74x = 29,702.75 × 9,277.56
  4. Step 4: Simplify right side
    19,812.74x = 275,568,998.90
  5. Step 5: Solve for x
    x = 275,568,998.90/19,812.74
  6. Step 6: Final answer
    x = 13,908.68

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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.