Home / 12,482.23-18,718.14-5,081.67

Finding the Fourth Proportional to 12,482.23, 18,718.14 and 5,081.67

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Solution

The fourth proportional to 12,482.23, 18,718.14 and 5,081.67 is: 7,620.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482.23 : 18,718.14 = 5,081.67 : x
  2. Step 2: Convert to fraction form
    12,482.23/18,718.14 = 5,081.67/x
  3. Step 3: Cross multiply
    12,482.23x = 18,718.14 × 5,081.67
  4. Step 4: Simplify right side
    12,482.23x = 95,119,410.49
  5. Step 5: Solve for x
    x = 95,119,410.49/12,482.23
  6. Step 6: Final answer
    x = 7,620.39

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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.