Home / 12,723.21-19,084.59-5,225.18

Finding the Fourth Proportional to 12,723.21, 19,084.59 and 5,225.18

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Solution

The fourth proportional to 12,723.21, 19,084.59 and 5,225.18 is: 7,837.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,723.21 : 19,084.59 = 5,225.18 : x
  2. Step 2: Convert to fraction form
    12,723.21/19,084.59 = 5,225.18/x
  3. Step 3: Cross multiply
    12,723.21x = 19,084.59 × 5,225.18
  4. Step 4: Simplify right side
    12,723.21x = 99,720,322.55
  5. Step 5: Solve for x
    x = 99,720,322.55/12,723.21
  6. Step 6: Final answer
    x = 7,837.67

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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.