Home / 14,012.10-21,004.65-8,082.90

Finding the Fourth Proportional to 14,012.10, 21,004.65 and 8,082.90

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Solution

The fourth proportional to 14,012.10, 21,004.65 and 8,082.90 is: 12,116.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012.10 : 21,004.65 = 8,082.90 : x
  2. Step 2: Convert to fraction form
    14,012.10/21,004.65 = 8,082.90/x
  3. Step 3: Cross multiply
    14,012.10x = 21,004.65 × 8,082.90
  4. Step 4: Simplify right side
    14,012.10x = 169,778,485.49
  5. Step 5: Solve for x
    x = 169,778,485.49/14,012.10
  6. Step 6: Final answer
    x = 12,116.56

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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.