Home / 9,709.80-14,559.30-4,162.20

Finding the Fourth Proportional to 9,709.80, 14,559.30 and 4,162.20

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Solution

The fourth proportional to 9,709.80, 14,559.30 and 4,162.20 is: 6,240.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,709.80 : 14,559.30 = 4,162.20 : x
  2. Step 2: Convert to fraction form
    9,709.80/14,559.30 = 4,162.20/x
  3. Step 3: Cross multiply
    9,709.80x = 14,559.30 × 4,162.20
  4. Step 4: Simplify right side
    9,709.80x = 60,598,718.46
  5. Step 5: Solve for x
    x = 60,598,718.46/9,709.80
  6. Step 6: Final answer
    x = 6,240.99

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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.