Home / 14,180.09-21,261.02-6,784.38

Finding the Fourth Proportional to 14,180.09, 21,261.02 and 6,784.38

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Solution

The fourth proportional to 14,180.09, 21,261.02 and 6,784.38 is: 10,172.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.09 : 21,261.02 = 6,784.38 : x
  2. Step 2: Convert to fraction form
    14,180.09/21,261.02 = 6,784.38/x
  3. Step 3: Cross multiply
    14,180.09x = 21,261.02 × 6,784.38
  4. Step 4: Simplify right side
    14,180.09x = 144,242,804.95
  5. Step 5: Solve for x
    x = 144,242,804.95/14,180.09
  6. Step 6: Final answer
    x = 10,172.21

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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.