Home / 12,368.49-18,552.73-3,008.45

Finding the Fourth Proportional to 12,368.49, 18,552.73 and 3,008.45

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Solution

The fourth proportional to 12,368.49, 18,552.73 and 3,008.45 is: 4,512.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,368.49 : 18,552.73 = 3,008.45 : x
  2. Step 2: Convert to fraction form
    12,368.49/18,552.73 = 3,008.45/x
  3. Step 3: Cross multiply
    12,368.49x = 18,552.73 × 3,008.45
  4. Step 4: Simplify right side
    12,368.49x = 55,814,886.78
  5. Step 5: Solve for x
    x = 55,814,886.78/12,368.49
  6. Step 6: Final answer
    x = 4,512.67

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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.