Home / 45,208.06-67,804.35-11,928.47

Finding the Fourth Proportional to 45,208.06, 67,804.35 and 11,928.47

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Solution

The fourth proportional to 45,208.06, 67,804.35 and 11,928.47 is: 17,890.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,208.06 : 67,804.35 = 11,928.47 : x
  2. Step 2: Convert to fraction form
    45,208.06/67,804.35 = 11,928.47/x
  3. Step 3: Cross multiply
    45,208.06x = 67,804.35 × 11,928.47
  4. Step 4: Simplify right side
    45,208.06x = 808,802,154.84
  5. Step 5: Solve for x
    x = 808,802,154.84/45,208.06
  6. Step 6: Final answer
    x = 17,890.66

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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.