Home / 13,808.07-19,049.07-9,330.19

Finding the Fourth Proportional to 13,808.07, 19,049.07 and 9,330.19

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Solution

The fourth proportional to 13,808.07, 19,049.07 and 9,330.19 is: 12,871.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,808.07 : 19,049.07 = 9,330.19 : x
  2. Step 2: Convert to fraction form
    13,808.07/19,049.07 = 9,330.19/x
  3. Step 3: Cross multiply
    13,808.07x = 19,049.07 × 9,330.19
  4. Step 4: Simplify right side
    13,808.07x = 177,731,429.79
  5. Step 5: Solve for x
    x = 177,731,429.79/13,808.07
  6. Step 6: Final answer
    x = 12,871.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.