Home / 12,095.25-18,125.86-9,619.08

Finding the Fourth Proportional to 12,095.25, 18,125.86 and 9,619.08

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Solution

The fourth proportional to 12,095.25, 18,125.86 and 9,619.08 is: 14,415.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,095.25 : 18,125.86 = 9,619.08 : x
  2. Step 2: Convert to fraction form
    12,095.25/18,125.86 = 9,619.08/x
  3. Step 3: Cross multiply
    12,095.25x = 18,125.86 × 9,619.08
  4. Step 4: Simplify right side
    12,095.25x = 174,354,097.41
  5. Step 5: Solve for x
    x = 174,354,097.41/12,095.25
  6. Step 6: Final answer
    x = 14,415.09

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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.