Home / 19,369.08-29,058.46-5,518.08

Finding the Fourth Proportional to 19,369.08, 29,058.46 and 5,518.08

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Solution

The fourth proportional to 19,369.08, 29,058.46 and 5,518.08 is: 8,278.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,369.08 : 29,058.46 = 5,518.08 : x
  2. Step 2: Convert to fraction form
    19,369.08/29,058.46 = 5,518.08/x
  3. Step 3: Cross multiply
    19,369.08x = 29,058.46 × 5,518.08
  4. Step 4: Simplify right side
    19,369.08x = 160,346,906.96
  5. Step 5: Solve for x
    x = 160,346,906.96/19,369.08
  6. Step 6: Final answer
    x = 8,278.50

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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.