Home / 14,116.44-21,218.40-8,955.12

Finding the Fourth Proportional to 14,116.44, 21,218.40 and 8,955.12

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Solution

The fourth proportional to 14,116.44, 21,218.40 and 8,955.12 is: 13,460.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,116.44 : 21,218.40 = 8,955.12 : x
  2. Step 2: Convert to fraction form
    14,116.44/21,218.40 = 8,955.12/x
  3. Step 3: Cross multiply
    14,116.44x = 21,218.40 × 8,955.12
  4. Step 4: Simplify right side
    14,116.44x = 190,013,318.21
  5. Step 5: Solve for x
    x = 190,013,318.21/14,116.44
  6. Step 6: Final answer
    x = 13,460.43

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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.