Home / 12,575.25-18,862.88-4,784.06

Finding the Fourth Proportional to 12,575.25, 18,862.88 and 4,784.06

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Solution

The fourth proportional to 12,575.25, 18,862.88 and 4,784.06 is: 7,176.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,575.25 : 18,862.88 = 4,784.06 : x
  2. Step 2: Convert to fraction form
    12,575.25/18,862.88 = 4,784.06/x
  3. Step 3: Cross multiply
    12,575.25x = 18,862.88 × 4,784.06
  4. Step 4: Simplify right side
    12,575.25x = 90,241,172.93
  5. Step 5: Solve for x
    x = 90,241,172.93/12,575.25
  6. Step 6: Final answer
    x = 7,176.09

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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.