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Finding the Fourth Proportional to 14,433, 21,640.16 and 9,487.64

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Solution

The fourth proportional to 14,433, 21,640.16 and 9,487.64 is: 14,225.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,433 : 21,640.16 = 9,487.64 : x
  2. Step 2: Convert to fraction form
    14,433/21,640.16 = 9,487.64/x
  3. Step 3: Cross multiply
    14,433x = 21,640.16 × 9,487.64
  4. Step 4: Simplify right side
    14,433x = 205,314,047.62
  5. Step 5: Solve for x
    x = 205,314,047.62/14,433
  6. Step 6: Final answer
    x = 14,225.32

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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.