Home / 14,072.32-21,108.48-4,078.08

Finding the Fourth Proportional to 14,072.32, 21,108.48 and 4,078.08

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Solution

The fourth proportional to 14,072.32, 21,108.48 and 4,078.08 is: 6,117.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,072.32 : 21,108.48 = 4,078.08 : x
  2. Step 2: Convert to fraction form
    14,072.32/21,108.48 = 4,078.08/x
  3. Step 3: Cross multiply
    14,072.32x = 21,108.48 × 4,078.08
  4. Step 4: Simplify right side
    14,072.32x = 86,082,070.12
  5. Step 5: Solve for x
    x = 86,082,070.12/14,072.32
  6. Step 6: Final answer
    x = 6,117.12

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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.