Home / 19,544.34-29,287.63-11,638.74

Finding the Fourth Proportional to 19,544.34, 29,287.63 and 11,638.74

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Solution

The fourth proportional to 19,544.34, 29,287.63 and 11,638.74 is: 17,440.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,544.34 : 29,287.63 = 11,638.74 : x
  2. Step 2: Convert to fraction form
    19,544.34/29,287.63 = 11,638.74/x
  3. Step 3: Cross multiply
    19,544.34x = 29,287.63 × 11,638.74
  4. Step 4: Simplify right side
    19,544.34x = 340,871,110.79
  5. Step 5: Solve for x
    x = 340,871,110.79/19,544.34
  6. Step 6: Final answer
    x = 17,440.91

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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.