Home / 14,266.02-19,686.57-7,892.88

Finding the Fourth Proportional to 14,266.02, 19,686.57 and 7,892.88

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Solution

The fourth proportional to 14,266.02, 19,686.57 and 7,892.88 is: 10,891.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,266.02 : 19,686.57 = 7,892.88 : x
  2. Step 2: Convert to fraction form
    14,266.02/19,686.57 = 7,892.88/x
  3. Step 3: Cross multiply
    14,266.02x = 19,686.57 × 7,892.88
  4. Step 4: Simplify right side
    14,266.02x = 155,383,736.45
  5. Step 5: Solve for x
    x = 155,383,736.45/14,266.02
  6. Step 6: Final answer
    x = 10,891.88

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1.5x scale

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.