Home / 14,592.48-21,868.56-12,639.84

Finding the Fourth Proportional to 14,592.48, 21,868.56 and 12,639.84

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Solution

The fourth proportional to 14,592.48, 21,868.56 and 12,639.84 is: 18,942.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,592.48 : 21,868.56 = 12,639.84 : x
  2. Step 2: Convert to fraction form
    14,592.48/21,868.56 = 12,639.84/x
  3. Step 3: Cross multiply
    14,592.48x = 21,868.56 × 12,639.84
  4. Step 4: Simplify right side
    14,592.48x = 276,415,099.43
  5. Step 5: Solve for x
    x = 276,415,099.43/14,592.48
  6. Step 6: Final answer
    x = 18,942.30

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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.