Home / 13,258.02-19,874.60-4,486.80

Finding the Fourth Proportional to 13,258.02, 19,874.60 and 4,486.80

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Solution

The fourth proportional to 13,258.02, 19,874.60 and 4,486.80 is: 6,725.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258.02 : 19,874.60 = 4,486.80 : x
  2. Step 2: Convert to fraction form
    13,258.02/19,874.60 = 4,486.80/x
  3. Step 3: Cross multiply
    13,258.02x = 19,874.60 × 4,486.80
  4. Step 4: Simplify right side
    13,258.02x = 89,173,355.28
  5. Step 5: Solve for x
    x = 89,173,355.28/13,258.02
  6. Step 6: Final answer
    x = 6,725.99

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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.