Home / 10,326.94-15,490.99-2,930.81

Finding the Fourth Proportional to 10,326.94, 15,490.99 and 2,930.81

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Solution

The fourth proportional to 10,326.94, 15,490.99 and 2,930.81 is: 4,396.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,326.94 : 15,490.99 = 2,930.81 : x
  2. Step 2: Convert to fraction form
    10,326.94/15,490.99 = 2,930.81/x
  3. Step 3: Cross multiply
    10,326.94x = 15,490.99 × 2,930.81
  4. Step 4: Simplify right side
    10,326.94x = 45,401,148.40
  5. Step 5: Solve for x
    x = 45,401,148.40/10,326.94
  6. Step 6: Final answer
    x = 4,396.38

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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.