Home / 12,377.48-18,568.95-6,140.88

Finding the Fourth Proportional to 12,377.48, 18,568.95 and 6,140.88

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Solution

The fourth proportional to 12,377.48, 18,568.95 and 6,140.88 is: 9,212.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,377.48 : 18,568.95 = 6,140.88 : x
  2. Step 2: Convert to fraction form
    12,377.48/18,568.95 = 6,140.88/x
  3. Step 3: Cross multiply
    12,377.48x = 18,568.95 × 6,140.88
  4. Step 4: Simplify right side
    12,377.48x = 114,029,670.65
  5. Step 5: Solve for x
    x = 114,029,670.65/12,377.48
  6. Step 6: Final answer
    x = 9,212.68

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1.5x scale

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.