Home / 13,968.49-20,953.11-4,108.08

Finding the Fourth Proportional to 13,968.49, 20,953.11 and 4,108.08

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Solution

The fourth proportional to 13,968.49, 20,953.11 and 4,108.08 is: 6,162.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,968.49 : 20,953.11 = 4,108.08 : x
  2. Step 2: Convert to fraction form
    13,968.49/20,953.11 = 4,108.08/x
  3. Step 3: Cross multiply
    13,968.49x = 20,953.11 × 4,108.08
  4. Step 4: Simplify right side
    13,968.49x = 86,077,052.13
  5. Step 5: Solve for x
    x = 86,077,052.13/13,968.49
  6. Step 6: Final answer
    x = 6,162.23

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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.