Home / 19,205.10-28,807.65-9,363.60

Finding the Fourth Proportional to 19,205.10, 28,807.65 and 9,363.60

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Solution

The fourth proportional to 19,205.10, 28,807.65 and 9,363.60 is: 14,045.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,205.10 : 28,807.65 = 9,363.60 : x
  2. Step 2: Convert to fraction form
    19,205.10/28,807.65 = 9,363.60/x
  3. Step 3: Cross multiply
    19,205.10x = 28,807.65 × 9,363.60
  4. Step 4: Simplify right side
    19,205.10x = 269,743,311.54
  5. Step 5: Solve for x
    x = 269,743,311.54/19,205.10
  6. Step 6: Final answer
    x = 14,045.40

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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.