Home / 14,585.40-21,849.30-8,724.60

Finding the Fourth Proportional to 14,585.40, 21,849.30 and 8,724.60

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Solution

The fourth proportional to 14,585.40, 21,849.30 and 8,724.60 is: 13,069.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,585.40 : 21,849.30 = 8,724.60 : x
  2. Step 2: Convert to fraction form
    14,585.40/21,849.30 = 8,724.60/x
  3. Step 3: Cross multiply
    14,585.40x = 21,849.30 × 8,724.60
  4. Step 4: Simplify right side
    14,585.40x = 190,626,402.78
  5. Step 5: Solve for x
    x = 190,626,402.78/14,585.40
  6. Step 6: Final answer
    x = 13,069.67

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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.