Home / 12,533.35-18,807.82-11,365.46

Finding the Fourth Proportional to 12,533.35, 18,807.82 and 11,365.46

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Solution

The fourth proportional to 12,533.35, 18,807.82 and 11,365.46 is: 17,055.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,533.35 : 18,807.82 = 11,365.46 : x
  2. Step 2: Convert to fraction form
    12,533.35/18,807.82 = 11,365.46/x
  3. Step 3: Cross multiply
    12,533.35x = 18,807.82 × 11,365.46
  4. Step 4: Simplify right side
    12,533.35x = 213,759,544.50
  5. Step 5: Solve for x
    x = 213,759,544.50/12,533.35
  6. Step 6: Final answer
    x = 17,055.26

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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.