Home / 12,266.76-18,373.32-9,486.12

Finding the Fourth Proportional to 12,266.76, 18,373.32 and 9,486.12

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Solution

The fourth proportional to 12,266.76, 18,373.32 and 9,486.12 is: 14,208.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,266.76 : 18,373.32 = 9,486.12 : x
  2. Step 2: Convert to fraction form
    12,266.76/18,373.32 = 9,486.12/x
  3. Step 3: Cross multiply
    12,266.76x = 18,373.32 × 9,486.12
  4. Step 4: Simplify right side
    12,266.76x = 174,291,518.32
  5. Step 5: Solve for x
    x = 174,291,518.32/12,266.76
  6. Step 6: Final answer
    x = 14,208.44

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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.