Home / 10,381.70-15,574.62-2,986.22

Finding the Fourth Proportional to 10,381.70, 15,574.62 and 2,986.22

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Solution

The fourth proportional to 10,381.70, 15,574.62 and 2,986.22 is: 4,479.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381.70 : 15,574.62 = 2,986.22 : x
  2. Step 2: Convert to fraction form
    10,381.70/15,574.62 = 2,986.22/x
  3. Step 3: Cross multiply
    10,381.70x = 15,574.62 × 2,986.22
  4. Step 4: Simplify right side
    10,381.70x = 46,509,241.74
  5. Step 5: Solve for x
    x = 46,509,241.74/10,381.70
  6. Step 6: Final answer
    x = 4,479.93

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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.