Home / 13,501.50-20,250.37-3,641.37

Finding the Fourth Proportional to 13,501.50, 20,250.37 and 3,641.37

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Solution

The fourth proportional to 13,501.50, 20,250.37 and 3,641.37 is: 5,461.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501.50 : 20,250.37 = 3,641.37 : x
  2. Step 2: Convert to fraction form
    13,501.50/20,250.37 = 3,641.37/x
  3. Step 3: Cross multiply
    13,501.50x = 20,250.37 × 3,641.37
  4. Step 4: Simplify right side
    13,501.50x = 73,739,089.81
  5. Step 5: Solve for x
    x = 73,739,089.81/13,501.50
  6. Step 6: Final answer
    x = 5,461.55

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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.