Home / 19,250.84-28,880.09-9,390.30

Finding the Fourth Proportional to 19,250.84, 28,880.09 and 9,390.30

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Solution

The fourth proportional to 19,250.84, 28,880.09 and 9,390.30 is: 14,087.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,250.84 : 28,880.09 = 9,390.30 : x
  2. Step 2: Convert to fraction form
    19,250.84/28,880.09 = 9,390.30/x
  3. Step 3: Cross multiply
    19,250.84x = 28,880.09 × 9,390.30
  4. Step 4: Simplify right side
    19,250.84x = 271,192,662.18
  5. Step 5: Solve for x
    x = 271,192,662.18/19,250.84
  6. Step 6: Final answer
    x = 14,087.32

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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.