Home / 12,661.52-18,987.96-4,873.04

Finding the Fourth Proportional to 12,661.52, 18,987.96 and 4,873.04

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Solution

The fourth proportional to 12,661.52, 18,987.96 and 4,873.04 is: 7,307.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,661.52 : 18,987.96 = 4,873.04 : x
  2. Step 2: Convert to fraction form
    12,661.52/18,987.96 = 4,873.04/x
  3. Step 3: Cross multiply
    12,661.52x = 18,987.96 × 4,873.04
  4. Step 4: Simplify right side
    12,661.52x = 92,529,088.60
  5. Step 5: Solve for x
    x = 92,529,088.60/12,661.52
  6. Step 6: Final answer
    x = 7,307.90

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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.