Home / 12,307.67-18,365.44-10,982.31

Finding the Fourth Proportional to 12,307.67, 18,365.44 and 10,982.31

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Solution

The fourth proportional to 12,307.67, 18,365.44 and 10,982.31 is: 16,387.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,307.67 : 18,365.44 = 10,982.31 : x
  2. Step 2: Convert to fraction form
    12,307.67/18,365.44 = 10,982.31/x
  3. Step 3: Cross multiply
    12,307.67x = 18,365.44 × 10,982.31
  4. Step 4: Simplify right side
    12,307.67x = 201,694,955.37
  5. Step 5: Solve for x
    x = 201,694,955.37/12,307.67
  6. Step 6: Final answer
    x = 16,387.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.