Home / 13,266.72-18,308.52-7,298.64

Finding the Fourth Proportional to 13,266.72, 18,308.52 and 7,298.64

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Solution

The fourth proportional to 13,266.72, 18,308.52 and 7,298.64 is: 10,072.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.72 : 18,308.52 = 7,298.64 : x
  2. Step 2: Convert to fraction form
    13,266.72/18,308.52 = 7,298.64/x
  3. Step 3: Cross multiply
    13,266.72x = 18,308.52 × 7,298.64
  4. Step 4: Simplify right side
    13,266.72x = 133,627,296.41
  5. Step 5: Solve for x
    x = 133,627,296.41/13,266.72
  6. Step 6: Final answer
    x = 10,072.37

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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.