Home / 19,408.56-29,112.60-5,557.68

Finding the Fourth Proportional to 19,408.56, 29,112.60 and 5,557.68

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Solution

The fourth proportional to 19,408.56, 29,112.60 and 5,557.68 is: 8,336.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,408.56 : 29,112.60 = 5,557.68 : x
  2. Step 2: Convert to fraction form
    19,408.56/29,112.60 = 5,557.68/x
  3. Step 3: Cross multiply
    19,408.56x = 29,112.60 × 5,557.68
  4. Step 4: Simplify right side
    19,408.56x = 161,798,514.77
  5. Step 5: Solve for x
    x = 161,798,514.77/19,408.56
  6. Step 6: Final answer
    x = 8,336.45

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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.