Home / 12,455.61-18,683.37-3,095.57

Finding the Fourth Proportional to 12,455.61, 18,683.37 and 3,095.57

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Solution

The fourth proportional to 12,455.61, 18,683.37 and 3,095.57 is: 4,643.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455.61 : 18,683.37 = 3,095.57 : x
  2. Step 2: Convert to fraction form
    12,455.61/18,683.37 = 3,095.57/x
  3. Step 3: Cross multiply
    12,455.61x = 18,683.37 × 3,095.57
  4. Step 4: Simplify right side
    12,455.61x = 57,835,586.25
  5. Step 5: Solve for x
    x = 57,835,586.25/12,455.61
  6. Step 6: Final answer
    x = 4,643.34

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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.