Home / 15,511.07-23,259.62-4,415.09

Finding the Fourth Proportional to 15,511.07, 23,259.62 and 4,415.09

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Solution

The fourth proportional to 15,511.07, 23,259.62 and 4,415.09 is: 6,620.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,511.07 : 23,259.62 = 4,415.09 : x
  2. Step 2: Convert to fraction form
    15,511.07/23,259.62 = 4,415.09/x
  3. Step 3: Cross multiply
    15,511.07x = 23,259.62 × 4,415.09
  4. Step 4: Simplify right side
    15,511.07x = 102,693,210.41
  5. Step 5: Solve for x
    x = 102,693,210.41/15,511.07
  6. Step 6: Final answer
    x = 6,620.64

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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.