Home / 13,014.34-19,529.29-11,955.61

Finding the Fourth Proportional to 13,014.34, 19,529.29 and 11,955.61

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Solution

The fourth proportional to 13,014.34, 19,529.29 and 11,955.61 is: 17,940.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,014.34 : 19,529.29 = 11,955.61 : x
  2. Step 2: Convert to fraction form
    13,014.34/19,529.29 = 11,955.61/x
  3. Step 3: Cross multiply
    13,014.34x = 19,529.29 × 11,955.61
  4. Step 4: Simplify right side
    13,014.34x = 233,484,515.04
  5. Step 5: Solve for x
    x = 233,484,515.04/13,014.34
  6. Step 6: Final answer
    x = 17,940.56

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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.