Home / 12,055.22-18,088.59-4,267.70

Finding the Fourth Proportional to 12,055.22, 18,088.59 and 4,267.70

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Solution

The fourth proportional to 12,055.22, 18,088.59 and 4,267.70 is: 6,403.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,055.22 : 18,088.59 = 4,267.70 : x
  2. Step 2: Convert to fraction form
    12,055.22/18,088.59 = 4,267.70/x
  3. Step 3: Cross multiply
    12,055.22x = 18,088.59 × 4,267.70
  4. Step 4: Simplify right side
    12,055.22x = 77,196,675.54
  5. Step 5: Solve for x
    x = 77,196,675.54/12,055.22
  6. Step 6: Final answer
    x = 6,403.59

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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.