Home / 12,782.04-19,178.73-4,988.22

Finding the Fourth Proportional to 12,782.04, 19,178.73 and 4,988.22

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Solution

The fourth proportional to 12,782.04, 19,178.73 and 4,988.22 is: 7,484.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,782.04 : 19,178.73 = 4,988.22 : x
  2. Step 2: Convert to fraction form
    12,782.04/19,178.73 = 4,988.22/x
  3. Step 3: Cross multiply
    12,782.04x = 19,178.73 × 4,988.22
  4. Step 4: Simplify right side
    12,782.04x = 95,667,724.56
  5. Step 5: Solve for x
    x = 95,667,724.56/12,782.04
  6. Step 6: Final answer
    x = 7,484.54

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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.