Home / 13,898.85-20,850.43-4,667.01

Finding the Fourth Proportional to 13,898.85, 20,850.43 and 4,667.01

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Solution

The fourth proportional to 13,898.85, 20,850.43 and 4,667.01 is: 7,001.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,898.85 : 20,850.43 = 4,667.01 : x
  2. Step 2: Convert to fraction form
    13,898.85/20,850.43 = 4,667.01/x
  3. Step 3: Cross multiply
    13,898.85x = 20,850.43 × 4,667.01
  4. Step 4: Simplify right side
    13,898.85x = 97,309,165.31
  5. Step 5: Solve for x
    x = 97,309,165.31/13,898.85
  6. Step 6: Final answer
    x = 7,001.24

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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.