Home / 12,935.06-19,405.32-4,176.08

Finding the Fourth Proportional to 12,935.06, 19,405.32 and 4,176.08

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Solution

The fourth proportional to 12,935.06, 19,405.32 and 4,176.08 is: 6,265.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,935.06 : 19,405.32 = 4,176.08 : x
  2. Step 2: Convert to fraction form
    12,935.06/19,405.32 = 4,176.08/x
  3. Step 3: Cross multiply
    12,935.06x = 19,405.32 × 4,176.08
  4. Step 4: Simplify right side
    12,935.06x = 81,038,168.75
  5. Step 5: Solve for x
    x = 81,038,168.75/12,935.06
  6. Step 6: Final answer
    x = 6,265.00

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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.