Home / 13,513.35-20,270.03-6,935.34

Finding the Fourth Proportional to 13,513.35, 20,270.03 and 6,935.34

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Solution

The fourth proportional to 13,513.35, 20,270.03 and 6,935.34 is: 10,403.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,513.35 : 20,270.03 = 6,935.34 : x
  2. Step 2: Convert to fraction form
    13,513.35/20,270.03 = 6,935.34/x
  3. Step 3: Cross multiply
    13,513.35x = 20,270.03 × 6,935.34
  4. Step 4: Simplify right side
    13,513.35x = 140,579,477.18
  5. Step 5: Solve for x
    x = 140,579,477.18/13,513.35
  6. Step 6: Final answer
    x = 10,403.01

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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.