Home / 15,830.16-21,837.60-14,704.53

Finding the Fourth Proportional to 15,830.16, 21,837.60 and 14,704.53

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Solution

The fourth proportional to 15,830.16, 21,837.60 and 14,704.53 is: 20,284.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,830.16 : 21,837.60 = 14,704.53 : x
  2. Step 2: Convert to fraction form
    15,830.16/21,837.60 = 14,704.53/x
  3. Step 3: Cross multiply
    15,830.16x = 21,837.60 × 14,704.53
  4. Step 4: Simplify right side
    15,830.16x = 321,111,644.33
  5. Step 5: Solve for x
    x = 321,111,644.33/15,830.16
  6. Step 6: Final answer
    x = 20,284.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.