Home / 12,455.65-18,683.07-5,057.92

Finding the Fourth Proportional to 12,455.65, 18,683.07 and 5,057.92

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Solution

The fourth proportional to 12,455.65, 18,683.07 and 5,057.92 is: 7,586.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455.65 : 18,683.07 = 5,057.92 : x
  2. Step 2: Convert to fraction form
    12,455.65/18,683.07 = 5,057.92/x
  3. Step 3: Cross multiply
    12,455.65x = 18,683.07 × 5,057.92
  4. Step 4: Simplify right side
    12,455.65x = 94,497,473.41
  5. Step 5: Solve for x
    x = 94,497,473.41/12,455.65
  6. Step 6: Final answer
    x = 7,586.72

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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.