Home / 19,655.26-29,450.04-8,545.30

Finding the Fourth Proportional to 19,655.26, 29,450.04 and 8,545.30

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Solution

The fourth proportional to 19,655.26, 29,450.04 and 8,545.30 is: 12,803.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,655.26 : 29,450.04 = 8,545.30 : x
  2. Step 2: Convert to fraction form
    19,655.26/29,450.04 = 8,545.30/x
  3. Step 3: Cross multiply
    19,655.26x = 29,450.04 × 8,545.30
  4. Step 4: Simplify right side
    19,655.26x = 251,659,426.81
  5. Step 5: Solve for x
    x = 251,659,426.81/19,655.26
  6. Step 6: Final answer
    x = 12,803.67

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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.