Home / 13,460.08-20,191.28-4,100.96

Finding the Fourth Proportional to 13,460.08, 20,191.28 and 4,100.96

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Solution

The fourth proportional to 13,460.08, 20,191.28 and 4,100.96 is: 6,151.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460.08 : 20,191.28 = 4,100.96 : x
  2. Step 2: Convert to fraction form
    13,460.08/20,191.28 = 4,100.96/x
  3. Step 3: Cross multiply
    13,460.08x = 20,191.28 × 4,100.96
  4. Step 4: Simplify right side
    13,460.08x = 82,803,631.63
  5. Step 5: Solve for x
    x = 82,803,631.63/13,460.08
  6. Step 6: Final answer
    x = 6,151.79

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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.