Home / 19,745.64-29,626.66-8,646.60

Finding the Fourth Proportional to 19,745.64, 29,626.66 and 8,646.60

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Solution

The fourth proportional to 19,745.64, 29,626.66 and 8,646.60 is: 12,973.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,745.64 : 29,626.66 = 8,646.60 : x
  2. Step 2: Convert to fraction form
    19,745.64/29,626.66 = 8,646.60/x
  3. Step 3: Cross multiply
    19,745.64x = 29,626.66 × 8,646.60
  4. Step 4: Simplify right side
    19,745.64x = 256,169,878.36
  5. Step 5: Solve for x
    x = 256,169,878.36/19,745.64
  6. Step 6: Final answer
    x = 12,973.49

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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.