Home / 17,919.04-26,878.62-5,439.17

Finding the Fourth Proportional to 17,919.04, 26,878.62 and 5,439.17

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Solution

The fourth proportional to 17,919.04, 26,878.62 and 5,439.17 is: 8,158.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,919.04 : 26,878.62 = 5,439.17 : x
  2. Step 2: Convert to fraction form
    17,919.04/26,878.62 = 5,439.17/x
  3. Step 3: Cross multiply
    17,919.04x = 26,878.62 × 5,439.17
  4. Step 4: Simplify right side
    17,919.04x = 146,197,383.55
  5. Step 5: Solve for x
    x = 146,197,383.55/17,919.04
  6. Step 6: Final answer
    x = 8,158.77

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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.