Home / 13,528.90-20,293.35-3,669.40

Finding the Fourth Proportional to 13,528.90, 20,293.35 and 3,669.40

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Solution

The fourth proportional to 13,528.90, 20,293.35 and 3,669.40 is: 5,504.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528.90 : 20,293.35 = 3,669.40 : x
  2. Step 2: Convert to fraction form
    13,528.90/20,293.35 = 3,669.40/x
  3. Step 3: Cross multiply
    13,528.90x = 20,293.35 × 3,669.40
  4. Step 4: Simplify right side
    13,528.90x = 74,464,418.49
  5. Step 5: Solve for x
    x = 74,464,418.49/13,528.90
  6. Step 6: Final answer
    x = 5,504.10

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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.