Home / 14,112.23-21,168.34-9,894.05

Finding the Fourth Proportional to 14,112.23, 21,168.34 and 9,894.05

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Solution

The fourth proportional to 14,112.23, 21,168.34 and 9,894.05 is: 14,841.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112.23 : 21,168.34 = 9,894.05 : x
  2. Step 2: Convert to fraction form
    14,112.23/21,168.34 = 9,894.05/x
  3. Step 3: Cross multiply
    14,112.23x = 21,168.34 × 9,894.05
  4. Step 4: Simplify right side
    14,112.23x = 209,440,563.18
  5. Step 5: Solve for x
    x = 209,440,563.18/14,112.23
  6. Step 6: Final answer
    x = 14,841.07

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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.