Home / 13,402.08-20,105.01-4,634.91

Finding the Fourth Proportional to 13,402.08, 20,105.01 and 4,634.91

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Solution

The fourth proportional to 13,402.08, 20,105.01 and 4,634.91 is: 6,953.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,402.08 : 20,105.01 = 4,634.91 : x
  2. Step 2: Convert to fraction form
    13,402.08/20,105.01 = 4,634.91/x
  3. Step 3: Cross multiply
    13,402.08x = 20,105.01 × 4,634.91
  4. Step 4: Simplify right side
    13,402.08x = 93,184,911.90
  5. Step 5: Solve for x
    x = 93,184,911.90/13,402.08
  6. Step 6: Final answer
    x = 6,953.02

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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.