Home / 14,243.44-21,384.60-9,072.40

Finding the Fourth Proportional to 14,243.44, 21,384.60 and 9,072.40

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Solution

The fourth proportional to 14,243.44, 21,384.60 and 9,072.40 is: 13,620.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,243.44 : 21,384.60 = 9,072.40 : x
  2. Step 2: Convert to fraction form
    14,243.44/21,384.60 = 9,072.40/x
  3. Step 3: Cross multiply
    14,243.44x = 21,384.60 × 9,072.40
  4. Step 4: Simplify right side
    14,243.44x = 194,009,645.04
  5. Step 5: Solve for x
    x = 194,009,645.04/14,243.44
  6. Step 6: Final answer
    x = 13,620.98

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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.