Home / 19,346.46-29,013.06-12,729.02

Finding the Fourth Proportional to 19,346.46, 29,013.06 and 12,729.02

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Solution

The fourth proportional to 19,346.46, 29,013.06 and 12,729.02 is: 19,089.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,346.46 : 29,013.06 = 12,729.02 : x
  2. Step 2: Convert to fraction form
    19,346.46/29,013.06 = 12,729.02/x
  3. Step 3: Cross multiply
    19,346.46x = 29,013.06 × 12,729.02
  4. Step 4: Simplify right side
    19,346.46x = 369,307,821.00
  5. Step 5: Solve for x
    x = 369,307,821.00/19,346.46
  6. Step 6: Final answer
    x = 19,089.17

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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.