Home / 12,088.39-18,127.97-4,691.89

Finding the Fourth Proportional to 12,088.39, 18,127.97 and 4,691.89

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Solution

The fourth proportional to 12,088.39, 18,127.97 and 4,691.89 is: 7,036.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088.39 : 18,127.97 = 4,691.89 : x
  2. Step 2: Convert to fraction form
    12,088.39/18,127.97 = 4,691.89/x
  3. Step 3: Cross multiply
    12,088.39x = 18,127.97 × 4,691.89
  4. Step 4: Simplify right side
    12,088.39x = 85,054,457.96
  5. Step 5: Solve for x
    x = 85,054,457.96/12,088.39
  6. Step 6: Final answer
    x = 7,036.05

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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.