Home / 14,110.12-21,168.42-8,271.64

Finding the Fourth Proportional to 14,110.12, 21,168.42 and 8,271.64

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Solution

The fourth proportional to 14,110.12, 21,168.42 and 8,271.64 is: 12,409.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,110.12 : 21,168.42 = 8,271.64 : x
  2. Step 2: Convert to fraction form
    14,110.12/21,168.42 = 8,271.64/x
  3. Step 3: Cross multiply
    14,110.12x = 21,168.42 × 8,271.64
  4. Step 4: Simplify right side
    14,110.12x = 175,097,549.61
  5. Step 5: Solve for x
    x = 175,097,549.61/14,110.12
  6. Step 6: Final answer
    x = 12,409.36

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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.