Home / 18,764.19-28,146.15-6,284.25

Finding the Fourth Proportional to 18,764.19, 28,146.15 and 6,284.25

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Solution

The fourth proportional to 18,764.19, 28,146.15 and 6,284.25 is: 9,426.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,764.19 : 28,146.15 = 6,284.25 : x
  2. Step 2: Convert to fraction form
    18,764.19/28,146.15 = 6,284.25/x
  3. Step 3: Cross multiply
    18,764.19x = 28,146.15 × 6,284.25
  4. Step 4: Simplify right side
    18,764.19x = 176,877,443.14
  5. Step 5: Solve for x
    x = 176,877,443.14/18,764.19
  6. Step 6: Final answer
    x = 9,426.33

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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.