Home / 13,688.82-20,534.54-6,295.34

Finding the Fourth Proportional to 13,688.82, 20,534.54 and 6,295.34

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Solution

The fourth proportional to 13,688.82, 20,534.54 and 6,295.34 is: 9,443.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,688.82 : 20,534.54 = 6,295.34 : x
  2. Step 2: Convert to fraction form
    13,688.82/20,534.54 = 6,295.34/x
  3. Step 3: Cross multiply
    13,688.82x = 20,534.54 × 6,295.34
  4. Step 4: Simplify right side
    13,688.82x = 129,271,776.89
  5. Step 5: Solve for x
    x = 129,271,776.89/13,688.82
  6. Step 6: Final answer
    x = 9,443.60

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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.