Home / 12,130.24-18,195.74-4,734.40

Finding the Fourth Proportional to 12,130.24, 18,195.74 and 4,734.40

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Solution

The fourth proportional to 12,130.24, 18,195.74 and 4,734.40 is: 7,101.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,130.24 : 18,195.74 = 4,734.40 : x
  2. Step 2: Convert to fraction form
    12,130.24/18,195.74 = 4,734.40/x
  3. Step 3: Cross multiply
    12,130.24x = 18,195.74 × 4,734.40
  4. Step 4: Simplify right side
    12,130.24x = 86,145,911.46
  5. Step 5: Solve for x
    x = 86,145,911.46/12,130.24
  6. Step 6: Final answer
    x = 7,101.75

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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.