Home / 12,329.21-18,492.07-4,009.35

Finding the Fourth Proportional to 12,329.21, 18,492.07 and 4,009.35

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Solution

The fourth proportional to 12,329.21, 18,492.07 and 4,009.35 is: 6,013.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,329.21 : 18,492.07 = 4,009.35 : x
  2. Step 2: Convert to fraction form
    12,329.21/18,492.07 = 4,009.35/x
  3. Step 3: Cross multiply
    12,329.21x = 18,492.07 × 4,009.35
  4. Step 4: Simplify right side
    12,329.21x = 74,141,180.85
  5. Step 5: Solve for x
    x = 74,141,180.85/12,329.21
  6. Step 6: Final answer
    x = 6,013.46

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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.