Home / 10,450.44-14,428.32-6,918.40

Finding the Fourth Proportional to 10,450.44, 14,428.32 and 6,918.40

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Solution

The fourth proportional to 10,450.44, 14,428.32 and 6,918.40 is: 9,551.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,450.44 : 14,428.32 = 6,918.40 : x
  2. Step 2: Convert to fraction form
    10,450.44/14,428.32 = 6,918.40/x
  3. Step 3: Cross multiply
    10,450.44x = 14,428.32 × 6,918.40
  4. Step 4: Simplify right side
    10,450.44x = 99,820,889.09
  5. Step 5: Solve for x
    x = 99,820,889.09/10,450.44
  6. Step 6: Final answer
    x = 9,551.84

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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.