Home / 14,255.02-21,361.87-9,808.12

Finding the Fourth Proportional to 14,255.02, 21,361.87 and 9,808.12

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Solution

The fourth proportional to 14,255.02, 21,361.87 and 9,808.12 is: 14,697.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255.02 : 21,361.87 = 9,808.12 : x
  2. Step 2: Convert to fraction form
    14,255.02/21,361.87 = 9,808.12/x
  3. Step 3: Cross multiply
    14,255.02x = 21,361.87 × 9,808.12
  4. Step 4: Simplify right side
    14,255.02x = 209,519,784.38
  5. Step 5: Solve for x
    x = 209,519,784.38/14,255.02
  6. Step 6: Final answer
    x = 14,697.96

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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.