Home / 19,017.82-28,529.55-6,541.06

Finding the Fourth Proportional to 19,017.82, 28,529.55 and 6,541.06

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Solution

The fourth proportional to 19,017.82, 28,529.55 and 6,541.06 is: 9,812.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,017.82 : 28,529.55 = 6,541.06 : x
  2. Step 2: Convert to fraction form
    19,017.82/28,529.55 = 6,541.06/x
  3. Step 3: Cross multiply
    19,017.82x = 28,529.55 × 6,541.06
  4. Step 4: Simplify right side
    19,017.82x = 186,613,498.32
  5. Step 5: Solve for x
    x = 186,613,498.32/19,017.82
  6. Step 6: Final answer
    x = 9,812.56

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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.