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Finding the Fourth Proportional to 14,684.90, 22,025.28 and 4,822.90

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Solution

The fourth proportional to 14,684.90, 22,025.28 and 4,822.90 is: 7,233.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,684.90 : 22,025.28 = 4,822.90 : x
  2. Step 2: Convert to fraction form
    14,684.90/22,025.28 = 4,822.90/x
  3. Step 3: Cross multiply
    14,684.90x = 22,025.28 × 4,822.90
  4. Step 4: Simplify right side
    14,684.90x = 106,225,722.91
  5. Step 5: Solve for x
    x = 106,225,722.91/14,684.90
  6. Step 6: Final answer
    x = 7,233.67

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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.