Home / 9,619.80-14,429.70-4,071.30

Finding the Fourth Proportional to 9,619.80, 14,429.70 and 4,071.30

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Solution

The fourth proportional to 9,619.80, 14,429.70 and 4,071.30 is: 6,106.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,619.80 : 14,429.70 = 4,071.30 : x
  2. Step 2: Convert to fraction form
    9,619.80/14,429.70 = 4,071.30/x
  3. Step 3: Cross multiply
    9,619.80x = 14,429.70 × 4,071.30
  4. Step 4: Simplify right side
    9,619.80x = 58,747,637.61
  5. Step 5: Solve for x
    x = 58,747,637.61/9,619.80
  6. Step 6: Final answer
    x = 6,106.95

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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.