Home / 14,127.03-21,194.01-9,975.15

Finding the Fourth Proportional to 14,127.03, 21,194.01 and 9,975.15

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Solution

The fourth proportional to 14,127.03, 21,194.01 and 9,975.15 is: 14,965.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.03 : 21,194.01 = 9,975.15 : x
  2. Step 2: Convert to fraction form
    14,127.03/21,194.01 = 9,975.15/x
  3. Step 3: Cross multiply
    14,127.03x = 21,194.01 × 9,975.15
  4. Step 4: Simplify right side
    14,127.03x = 211,413,428.85
  5. Step 5: Solve for x
    x = 211,413,428.85/14,127.03
  6. Step 6: Final answer
    x = 14,965.17

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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.