Home / 13,501.08-20,240.69-5,176.81

Finding the Fourth Proportional to 13,501.08, 20,240.69 and 5,176.81

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Solution

The fourth proportional to 13,501.08, 20,240.69 and 5,176.81 is: 7,761.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501.08 : 20,240.69 = 5,176.81 : x
  2. Step 2: Convert to fraction form
    13,501.08/20,240.69 = 5,176.81/x
  3. Step 3: Cross multiply
    13,501.08x = 20,240.69 × 5,176.81
  4. Step 4: Simplify right side
    13,501.08x = 104,782,205.82
  5. Step 5: Solve for x
    x = 104,782,205.82/13,501.08
  6. Step 6: Final answer
    x = 7,761.02

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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.