Home / 13,476.12-20,214.18-3,615.18

Finding the Fourth Proportional to 13,476.12, 20,214.18 and 3,615.18

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Solution

The fourth proportional to 13,476.12, 20,214.18 and 3,615.18 is: 5,422.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,476.12 : 20,214.18 = 3,615.18 : x
  2. Step 2: Convert to fraction form
    13,476.12/20,214.18 = 3,615.18/x
  3. Step 3: Cross multiply
    13,476.12x = 20,214.18 × 3,615.18
  4. Step 4: Simplify right side
    13,476.12x = 73,077,899.25
  5. Step 5: Solve for x
    x = 73,077,899.25/13,476.12
  6. Step 6: Final answer
    x = 5,422.77

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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.