Home / 13,675.34-20,513.01-4,316.09

Finding the Fourth Proportional to 13,675.34, 20,513.01 and 4,316.09

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Solution

The fourth proportional to 13,675.34, 20,513.01 and 4,316.09 is: 6,474.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,675.34 : 20,513.01 = 4,316.09 : x
  2. Step 2: Convert to fraction form
    13,675.34/20,513.01 = 4,316.09/x
  3. Step 3: Cross multiply
    13,675.34x = 20,513.01 × 4,316.09
  4. Step 4: Simplify right side
    13,675.34x = 88,535,987.87
  5. Step 5: Solve for x
    x = 88,535,987.87/13,675.34
  6. Step 6: Final answer
    x = 6,474.13

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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.