Home / 19,608.08-29,408.96-7,127.60

Finding the Fourth Proportional to 19,608.08, 29,408.96 and 7,127.60

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Solution

The fourth proportional to 19,608.08, 29,408.96 and 7,127.60 is: 10,690.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,608.08 : 29,408.96 = 7,127.60 : x
  2. Step 2: Convert to fraction form
    19,608.08/29,408.96 = 7,127.60/x
  3. Step 3: Cross multiply
    19,608.08x = 29,408.96 × 7,127.60
  4. Step 4: Simplify right side
    19,608.08x = 209,615,303.30
  5. Step 5: Solve for x
    x = 209,615,303.30/19,608.08
  6. Step 6: Final answer
    x = 10,690.25

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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.