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Finding the Fourth Proportional to 14,969.72, 22,457.02 and 6,652.60

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Solution

The fourth proportional to 14,969.72, 22,457.02 and 6,652.60 is: 9,979.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,969.72 : 22,457.02 = 6,652.60 : x
  2. Step 2: Convert to fraction form
    14,969.72/22,457.02 = 6,652.60/x
  3. Step 3: Cross multiply
    14,969.72x = 22,457.02 × 6,652.60
  4. Step 4: Simplify right side
    14,969.72x = 149,397,571.25
  5. Step 5: Solve for x
    x = 149,397,571.25/14,969.72
  6. Step 6: Final answer
    x = 9,979.98

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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.