Home / 18,808.02-25,955.33-10,309.97

Finding the Fourth Proportional to 18,808.02, 25,955.33 and 10,309.97

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Solution

The fourth proportional to 18,808.02, 25,955.33 and 10,309.97 is: 14,227.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,808.02 : 25,955.33 = 10,309.97 : x
  2. Step 2: Convert to fraction form
    18,808.02/25,955.33 = 10,309.97/x
  3. Step 3: Cross multiply
    18,808.02x = 25,955.33 × 10,309.97
  4. Step 4: Simplify right side
    18,808.02x = 267,598,492.31
  5. Step 5: Solve for x
    x = 267,598,492.31/18,808.02
  6. Step 6: Final answer
    x = 14,227.89

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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.