Home / 14,351.20-21,527.40-7,684.90

Finding the Fourth Proportional to 14,351.20, 21,527.40 and 7,684.90

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Solution

The fourth proportional to 14,351.20, 21,527.40 and 7,684.90 is: 11,527.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,351.20 : 21,527.40 = 7,684.90 : x
  2. Step 2: Convert to fraction form
    14,351.20/21,527.40 = 7,684.90/x
  3. Step 3: Cross multiply
    14,351.20x = 21,527.40 × 7,684.90
  4. Step 4: Simplify right side
    14,351.20x = 165,435,916.26
  5. Step 5: Solve for x
    x = 165,435,916.26/14,351.20
  6. Step 6: Final answer
    x = 11,527.67

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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.