Home / 18,735.10-28,102.95-4,884.10

Finding the Fourth Proportional to 18,735.10, 28,102.95 and 4,884.10

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Solution

The fourth proportional to 18,735.10, 28,102.95 and 4,884.10 is: 7,326.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,735.10 : 28,102.95 = 4,884.10 : x
  2. Step 2: Convert to fraction form
    18,735.10/28,102.95 = 4,884.10/x
  3. Step 3: Cross multiply
    18,735.10x = 28,102.95 × 4,884.10
  4. Step 4: Simplify right side
    18,735.10x = 137,257,547.84
  5. Step 5: Solve for x
    x = 137,257,547.84/18,735.10
  6. Step 6: Final answer
    x = 7,326.23

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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.