Home / 11,925.36-17,883.72-4,140.72

Finding the Fourth Proportional to 11,925.36, 17,883.72 and 4,140.72

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Solution

The fourth proportional to 11,925.36, 17,883.72 and 4,140.72 is: 6,209.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,925.36 : 17,883.72 = 4,140.72 : x
  2. Step 2: Convert to fraction form
    11,925.36/17,883.72 = 4,140.72/x
  3. Step 3: Cross multiply
    11,925.36x = 17,883.72 × 4,140.72
  4. Step 4: Simplify right side
    11,925.36x = 74,051,477.08
  5. Step 5: Solve for x
    x = 74,051,477.08/11,925.36
  6. Step 6: Final answer
    x = 6,209.58

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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.