Home / 30,150.65-45,228.15-7,963.73

Finding the Fourth Proportional to 30,150.65, 45,228.15 and 7,963.73

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Solution

The fourth proportional to 30,150.65, 45,228.15 and 7,963.73 is: 11,946.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,150.65 : 45,228.15 = 7,963.73 : x
  2. Step 2: Convert to fraction form
    30,150.65/45,228.15 = 7,963.73/x
  3. Step 3: Cross multiply
    30,150.65x = 45,228.15 × 7,963.73
  4. Step 4: Simplify right side
    30,150.65x = 360,184,950.47
  5. Step 5: Solve for x
    x = 360,184,950.47/30,150.65
  6. Step 6: Final answer
    x = 11,946.18

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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.