Home / 14,128.03-21,195.51-9,976.15

Finding the Fourth Proportional to 14,128.03, 21,195.51 and 9,976.15

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Solution

The fourth proportional to 14,128.03, 21,195.51 and 9,976.15 is: 14,966.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,128.03 : 21,195.51 = 9,976.15 : x
  2. Step 2: Convert to fraction form
    14,128.03/21,195.51 = 9,976.15/x
  3. Step 3: Cross multiply
    14,128.03x = 21,195.51 × 9,976.15
  4. Step 4: Simplify right side
    14,128.03x = 211,449,587.09
  5. Step 5: Solve for x
    x = 211,449,587.09/14,128.03
  6. Step 6: Final answer
    x = 14,966.67

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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.