Home / 19,513.08-29,269.44-8,427.60

Finding the Fourth Proportional to 19,513.08, 29,269.44 and 8,427.60

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Solution

The fourth proportional to 19,513.08, 29,269.44 and 8,427.60 is: 12,641.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,513.08 : 29,269.44 = 8,427.60 : x
  2. Step 2: Convert to fraction form
    19,513.08/29,269.44 = 8,427.60/x
  3. Step 3: Cross multiply
    19,513.08x = 29,269.44 × 8,427.60
  4. Step 4: Simplify right side
    19,513.08x = 246,671,132.54
  5. Step 5: Solve for x
    x = 246,671,132.54/19,513.08
  6. Step 6: Final answer
    x = 12,641.32

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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.