Home / 14,555.20-20,082.72-8,271.04

Finding the Fourth Proportional to 14,555.20, 20,082.72 and 8,271.04

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Solution

The fourth proportional to 14,555.20, 20,082.72 and 8,271.04 is: 11,412.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,555.20 : 20,082.72 = 8,271.04 : x
  2. Step 2: Convert to fraction form
    14,555.20/20,082.72 = 8,271.04/x
  3. Step 3: Cross multiply
    14,555.20x = 20,082.72 × 8,271.04
  4. Step 4: Simplify right side
    14,555.20x = 166,104,980.43
  5. Step 5: Solve for x
    x = 166,104,980.43/14,555.20
  6. Step 6: Final answer
    x = 11,412.07

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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.