Home / 19,397.76-29,113.92-9,015.36

Finding the Fourth Proportional to 19,397.76, 29,113.92 and 9,015.36

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Solution

The fourth proportional to 19,397.76, 29,113.92 and 9,015.36 is: 13,531.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,397.76 : 29,113.92 = 9,015.36 : x
  2. Step 2: Convert to fraction form
    19,397.76/29,113.92 = 9,015.36/x
  3. Step 3: Cross multiply
    19,397.76x = 29,113.92 × 9,015.36
  4. Step 4: Simplify right side
    19,397.76x = 262,472,469.81
  5. Step 5: Solve for x
    x = 262,472,469.81/19,397.76
  6. Step 6: Final answer
    x = 13,531.07

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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.