Home / 14,428.49-21,642.52-11,958.10

Finding the Fourth Proportional to 14,428.49, 21,642.52 and 11,958.10

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Solution

The fourth proportional to 14,428.49, 21,642.52 and 11,958.10 is: 17,936.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,428.49 : 21,642.52 = 11,958.10 : x
  2. Step 2: Convert to fraction form
    14,428.49/21,642.52 = 11,958.10/x
  3. Step 3: Cross multiply
    14,428.49x = 21,642.52 × 11,958.10
  4. Step 4: Simplify right side
    14,428.49x = 258,803,334.41
  5. Step 5: Solve for x
    x = 258,803,334.41/14,428.49
  6. Step 6: Final answer
    x = 17,936.96

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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.