Home / 12,368.36-18,564.69-9,072.07

Finding the Fourth Proportional to 12,368.36, 18,564.69 and 9,072.07

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Solution

The fourth proportional to 12,368.36, 18,564.69 and 9,072.07 is: 13,617.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,368.36 : 18,564.69 = 9,072.07 : x
  2. Step 2: Convert to fraction form
    12,368.36/18,564.69 = 9,072.07/x
  3. Step 3: Cross multiply
    12,368.36x = 18,564.69 × 9,072.07
  4. Step 4: Simplify right side
    12,368.36x = 168,420,167.21
  5. Step 5: Solve for x
    x = 168,420,167.21/12,368.36
  6. Step 6: Final answer
    x = 13,617.02

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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.