Home / 20,569.08-30,853.80-4,986.84

Finding the Fourth Proportional to 20,569.08, 30,853.80 and 4,986.84

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Solution

The fourth proportional to 20,569.08, 30,853.80 and 4,986.84 is: 7,480.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,569.08 : 30,853.80 = 4,986.84 : x
  2. Step 2: Convert to fraction form
    20,569.08/30,853.80 = 4,986.84/x
  3. Step 3: Cross multiply
    20,569.08x = 30,853.80 × 4,986.84
  4. Step 4: Simplify right side
    20,569.08x = 153,862,963.99
  5. Step 5: Solve for x
    x = 153,862,963.99/20,569.08
  6. Step 6: Final answer
    x = 7,480.30

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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.