Home / 11,483.12-15,846.90-6,378.50

Finding the Fourth Proportional to 11,483.12, 15,846.90 and 6,378.50

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Solution

The fourth proportional to 11,483.12, 15,846.90 and 6,378.50 is: 8,802.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,483.12 : 15,846.90 = 6,378.50 : x
  2. Step 2: Convert to fraction form
    11,483.12/15,846.90 = 6,378.50/x
  3. Step 3: Cross multiply
    11,483.12x = 15,846.90 × 6,378.50
  4. Step 4: Simplify right side
    11,483.12x = 101,079,451.65
  5. Step 5: Solve for x
    x = 101,079,451.65/11,483.12
  6. Step 6: Final answer
    x = 8,802.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.