Home / 12,377.74-18,544.98-10,311.04

Finding the Fourth Proportional to 12,377.74, 18,544.98 and 10,311.04

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Solution

The fourth proportional to 12,377.74, 18,544.98 and 10,311.04 is: 15,448.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,377.74 : 18,544.98 = 10,311.04 : x
  2. Step 2: Convert to fraction form
    12,377.74/18,544.98 = 10,311.04/x
  3. Step 3: Cross multiply
    12,377.74x = 18,544.98 × 10,311.04
  4. Step 4: Simplify right side
    12,377.74x = 191,218,030.58
  5. Step 5: Solve for x
    x = 191,218,030.58/12,377.74
  6. Step 6: Final answer
    x = 15,448.54

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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.