Home / 12,272.07-18,410.07-4,876.58

Finding the Fourth Proportional to 12,272.07, 18,410.07 and 4,876.58

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Solution

The fourth proportional to 12,272.07, 18,410.07 and 4,876.58 is: 7,315.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272.07 : 18,410.07 = 4,876.58 : x
  2. Step 2: Convert to fraction form
    12,272.07/18,410.07 = 4,876.58/x
  3. Step 3: Cross multiply
    12,272.07x = 18,410.07 × 4,876.58
  4. Step 4: Simplify right side
    12,272.07x = 89,778,087.11
  5. Step 5: Solve for x
    x = 89,778,087.11/12,272.07
  6. Step 6: Final answer
    x = 7,315.64

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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.