Home / 13,016.66-19,506.29-7,398.80

Finding the Fourth Proportional to 13,016.66, 19,506.29 and 7,398.80

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Solution

The fourth proportional to 13,016.66, 19,506.29 and 7,398.80 is: 11,087.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,016.66 : 19,506.29 = 7,398.80 : x
  2. Step 2: Convert to fraction form
    13,016.66/19,506.29 = 7,398.80/x
  3. Step 3: Cross multiply
    13,016.66x = 19,506.29 × 7,398.80
  4. Step 4: Simplify right side
    13,016.66x = 144,323,040.92
  5. Step 5: Solve for x
    x = 144,323,040.92/13,016.66
  6. Step 6: Final answer
    x = 11,087.56

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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.