Home / 11,210.04-16,815.05-5,285.54

Finding the Fourth Proportional to 11,210.04, 16,815.05 and 5,285.54

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Solution

The fourth proportional to 11,210.04, 16,815.05 and 5,285.54 is: 7,928.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210.04 : 16,815.05 = 5,285.54 : x
  2. Step 2: Convert to fraction form
    11,210.04/16,815.05 = 5,285.54/x
  3. Step 3: Cross multiply
    11,210.04x = 16,815.05 × 5,285.54
  4. Step 4: Simplify right side
    11,210.04x = 88,876,674.63
  5. Step 5: Solve for x
    x = 88,876,674.63/11,210.04
  6. Step 6: Final answer
    x = 7,928.31

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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.