Home / 12,795.12-19,178.88-6,206.64

Finding the Fourth Proportional to 12,795.12, 19,178.88 and 6,206.64

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Solution

The fourth proportional to 12,795.12, 19,178.88 and 6,206.64 is: 9,303.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,795.12 : 19,178.88 = 6,206.64 : x
  2. Step 2: Convert to fraction form
    12,795.12/19,178.88 = 6,206.64/x
  3. Step 3: Cross multiply
    12,795.12x = 19,178.88 × 6,206.64
  4. Step 4: Simplify right side
    12,795.12x = 119,036,403.76
  5. Step 5: Solve for x
    x = 119,036,403.76/12,795.12
  6. Step 6: Final answer
    x = 9,303.27

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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.