Home / 12,147.24-18,223.65-6,302.55

Finding the Fourth Proportional to 12,147.24, 18,223.65 and 6,302.55

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Solution

The fourth proportional to 12,147.24, 18,223.65 and 6,302.55 is: 9,455.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,147.24 : 18,223.65 = 6,302.55 : x
  2. Step 2: Convert to fraction form
    12,147.24/18,223.65 = 6,302.55/x
  3. Step 3: Cross multiply
    12,147.24x = 18,223.65 × 6,302.55
  4. Step 4: Simplify right side
    12,147.24x = 114,855,465.31
  5. Step 5: Solve for x
    x = 114,855,465.31/12,147.24
  6. Step 6: Final answer
    x = 9,455.27

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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.