Home / 18,696.36-28,044.31-4,656.50

Finding the Fourth Proportional to 18,696.36, 28,044.31 and 4,656.50

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Solution

The fourth proportional to 18,696.36, 28,044.31 and 4,656.50 is: 6,984.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,696.36 : 28,044.31 = 4,656.50 : x
  2. Step 2: Convert to fraction form
    18,696.36/28,044.31 = 4,656.50/x
  3. Step 3: Cross multiply
    18,696.36x = 28,044.31 × 4,656.50
  4. Step 4: Simplify right side
    18,696.36x = 130,588,329.52
  5. Step 5: Solve for x
    x = 130,588,329.52/18,696.36
  6. Step 6: Final answer
    x = 6,984.69

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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.