Home / 19,558.43-29,339.36-5,518.58

Finding the Fourth Proportional to 19,558.43, 29,339.36 and 5,518.58

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Solution

The fourth proportional to 19,558.43, 29,339.36 and 5,518.58 is: 8,278.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,558.43 : 29,339.36 = 5,518.58 : x
  2. Step 2: Convert to fraction form
    19,558.43/29,339.36 = 5,518.58/x
  3. Step 3: Cross multiply
    19,558.43x = 29,339.36 × 5,518.58
  4. Step 4: Simplify right side
    19,558.43x = 161,911,458.61
  5. Step 5: Solve for x
    x = 161,911,458.61/19,558.43
  6. Step 6: Final answer
    x = 8,278.35

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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.