Home / 13,528.79-20,295.08-4,169.57

Finding the Fourth Proportional to 13,528.79, 20,295.08 and 4,169.57

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Solution

The fourth proportional to 13,528.79, 20,295.08 and 4,169.57 is: 6,254.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528.79 : 20,295.08 = 4,169.57 : x
  2. Step 2: Convert to fraction form
    13,528.79/20,295.08 = 4,169.57/x
  3. Step 3: Cross multiply
    13,528.79x = 20,295.08 × 4,169.57
  4. Step 4: Simplify right side
    13,528.79x = 84,621,634.39
  5. Step 5: Solve for x
    x = 84,621,634.39/13,528.79
  6. Step 6: Final answer
    x = 6,254.93

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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.