Home / 13,276.69-19,924.08-5,485.45

Finding the Fourth Proportional to 13,276.69, 19,924.08 and 5,485.45

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Solution

The fourth proportional to 13,276.69, 19,924.08 and 5,485.45 is: 8,231.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276.69 : 19,924.08 = 5,485.45 : x
  2. Step 2: Convert to fraction form
    13,276.69/19,924.08 = 5,485.45/x
  3. Step 3: Cross multiply
    13,276.69x = 19,924.08 × 5,485.45
  4. Step 4: Simplify right side
    13,276.69x = 109,292,544.64
  5. Step 5: Solve for x
    x = 109,292,544.64/13,276.69
  6. Step 6: Final answer
    x = 8,231.91

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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.