Home / 13,477.68-20,216.54-5,160.26

Finding the Fourth Proportional to 13,477.68, 20,216.54 and 5,160.26

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Solution

The fourth proportional to 13,477.68, 20,216.54 and 5,160.26 is: 7,740.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,477.68 : 20,216.54 = 5,160.26 : x
  2. Step 2: Convert to fraction form
    13,477.68/20,216.54 = 5,160.26/x
  3. Step 3: Cross multiply
    13,477.68x = 20,216.54 × 5,160.26
  4. Step 4: Simplify right side
    13,477.68x = 104,322,475.82
  5. Step 5: Solve for x
    x = 104,322,475.82/13,477.68
  6. Step 6: Final answer
    x = 7,740.39

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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.