Home / 13,528.89-20,293.35-3,668.17

Finding the Fourth Proportional to 13,528.89, 20,293.35 and 3,668.17

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Solution

The fourth proportional to 13,528.89, 20,293.35 and 3,668.17 is: 5,502.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528.89 : 20,293.35 = 3,668.17 : x
  2. Step 2: Convert to fraction form
    13,528.89/20,293.35 = 3,668.17/x
  3. Step 3: Cross multiply
    13,528.89x = 20,293.35 × 3,668.17
  4. Step 4: Simplify right side
    13,528.89x = 74,439,457.67
  5. Step 5: Solve for x
    x = 74,439,457.67/13,528.89
  6. Step 6: Final answer
    x = 5,502.26

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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.