Home / 14,396.89-21,557.97-12,330.19

Finding the Fourth Proportional to 14,396.89, 21,557.97 and 12,330.19

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Solution

The fourth proportional to 14,396.89, 21,557.97 and 12,330.19 is: 18,463.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,396.89 : 21,557.97 = 12,330.19 : x
  2. Step 2: Convert to fraction form
    14,396.89/21,557.97 = 12,330.19/x
  3. Step 3: Cross multiply
    14,396.89x = 21,557.97 × 12,330.19
  4. Step 4: Simplify right side
    14,396.89x = 265,813,866.11
  5. Step 5: Solve for x
    x = 265,813,866.11/14,396.89
  6. Step 6: Final answer
    x = 18,463.28

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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.