Home / 22,368.63-30,869.09-12,297.49

Finding the Fourth Proportional to 22,368.63, 30,869.09 and 12,297.49

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Solution

The fourth proportional to 22,368.63, 30,869.09 and 12,297.49 is: 16,970.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,368.63 : 30,869.09 = 12,297.49 : x
  2. Step 2: Convert to fraction form
    22,368.63/30,869.09 = 12,297.49/x
  3. Step 3: Cross multiply
    22,368.63x = 30,869.09 × 12,297.49
  4. Step 4: Simplify right side
    22,368.63x = 379,612,325.58
  5. Step 5: Solve for x
    x = 379,612,325.58/22,368.63
  6. Step 6: Final answer
    x = 16,970.75

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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.