Home / 13,330.04-18,393.41-8,860.37

Finding the Fourth Proportional to 13,330.04, 18,393.41 and 8,860.37

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Solution

The fourth proportional to 13,330.04, 18,393.41 and 8,860.37 is: 12,225.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.04 : 18,393.41 = 8,860.37 : x
  2. Step 2: Convert to fraction form
    13,330.04/18,393.41 = 8,860.37/x
  3. Step 3: Cross multiply
    13,330.04x = 18,393.41 × 8,860.37
  4. Step 4: Simplify right side
    13,330.04x = 162,972,348.35
  5. Step 5: Solve for x
    x = 162,972,348.35/13,330.04
  6. Step 6: Final answer
    x = 12,225.95

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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.