Home / 10,396.81-14,349.36-5,919.94

Finding the Fourth Proportional to 10,396.81, 14,349.36 and 5,919.94

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Solution

The fourth proportional to 10,396.81, 14,349.36 and 5,919.94 is: 8,170.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,396.81 : 14,349.36 = 5,919.94 : x
  2. Step 2: Convert to fraction form
    10,396.81/14,349.36 = 5,919.94/x
  3. Step 3: Cross multiply
    10,396.81x = 14,349.36 × 5,919.94
  4. Step 4: Simplify right side
    10,396.81x = 84,947,350.24
  5. Step 5: Solve for x
    x = 84,947,350.24/10,396.81
  6. Step 6: Final answer
    x = 8,170.52

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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.