Home / 14,495.10-20,004.84-8,122.72

Finding the Fourth Proportional to 14,495.10, 20,004.84 and 8,122.72

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Solution

The fourth proportional to 14,495.10, 20,004.84 and 8,122.72 is: 11,210.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,495.10 : 20,004.84 = 8,122.72 : x
  2. Step 2: Convert to fraction form
    14,495.10/20,004.84 = 8,122.72/x
  3. Step 3: Cross multiply
    14,495.10x = 20,004.84 × 8,122.72
  4. Step 4: Simplify right side
    14,495.10x = 162,493,713.96
  5. Step 5: Solve for x
    x = 162,493,713.96/14,495.10
  6. Step 6: Final answer
    x = 11,210.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.