Home / 13,188.32-19,785.84-5,794.40

Finding the Fourth Proportional to 13,188.32, 19,785.84 and 5,794.40

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Solution

The fourth proportional to 13,188.32, 19,785.84 and 5,794.40 is: 8,693.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188.32 : 19,785.84 = 5,794.40 : x
  2. Step 2: Convert to fraction form
    13,188.32/19,785.84 = 5,794.40/x
  3. Step 3: Cross multiply
    13,188.32x = 19,785.84 × 5,794.40
  4. Step 4: Simplify right side
    13,188.32x = 114,647,071.30
  5. Step 5: Solve for x
    x = 114,647,071.30/13,188.32
  6. Step 6: Final answer
    x = 8,693.08

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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.