Home / 13,080.21-19,632.64-4,768.26

Finding the Fourth Proportional to 13,080.21, 19,632.64 and 4,768.26

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Solution

The fourth proportional to 13,080.21, 19,632.64 and 4,768.26 is: 7,156.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,080.21 : 19,632.64 = 4,768.26 : x
  2. Step 2: Convert to fraction form
    13,080.21/19,632.64 = 4,768.26/x
  3. Step 3: Cross multiply
    13,080.21x = 19,632.64 × 4,768.26
  4. Step 4: Simplify right side
    13,080.21x = 93,613,421.92
  5. Step 5: Solve for x
    x = 93,613,421.92/13,080.21
  6. Step 6: Final answer
    x = 7,156.88

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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.