Home / 13,003.20-19,502.64-4,681.68

Finding the Fourth Proportional to 13,003.20, 19,502.64 and 4,681.68

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Solution

The fourth proportional to 13,003.20, 19,502.64 and 4,681.68 is: 7,021.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,003.20 : 19,502.64 = 4,681.68 : x
  2. Step 2: Convert to fraction form
    13,003.20/19,502.64 = 4,681.68/x
  3. Step 3: Cross multiply
    13,003.20x = 19,502.64 × 4,681.68
  4. Step 4: Simplify right side
    13,003.20x = 91,305,119.64
  5. Step 5: Solve for x
    x = 91,305,119.64/13,003.20
  6. Step 6: Final answer
    x = 7,021.74

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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.