Home / 11,019.36-15,203.76-6,544.08

Finding the Fourth Proportional to 11,019.36, 15,203.76 and 6,544.08

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Solution

The fourth proportional to 11,019.36, 15,203.76 and 6,544.08 is: 9,029.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,019.36 : 15,203.76 = 6,544.08 : x
  2. Step 2: Convert to fraction form
    11,019.36/15,203.76 = 6,544.08/x
  3. Step 3: Cross multiply
    11,019.36x = 15,203.76 × 6,544.08
  4. Step 4: Simplify right side
    11,019.36x = 99,494,621.74
  5. Step 5: Solve for x
    x = 99,494,621.74/11,019.36
  6. Step 6: Final answer
    x = 9,029.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.