Home / 13,707.27-20,554.42-6,309.54

Finding the Fourth Proportional to 13,707.27, 20,554.42 and 6,309.54

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Solution

The fourth proportional to 13,707.27, 20,554.42 and 6,309.54 is: 9,461.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,707.27 : 20,554.42 = 6,309.54 : x
  2. Step 2: Convert to fraction form
    13,707.27/20,554.42 = 6,309.54/x
  3. Step 3: Cross multiply
    13,707.27x = 20,554.42 × 6,309.54
  4. Step 4: Simplify right side
    13,707.27x = 129,688,935.17
  5. Step 5: Solve for x
    x = 129,688,935.17/13,707.27
  6. Step 6: Final answer
    x = 9,461.32

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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.