Home / 13,740.32-20,591.84-6,328.48

Finding the Fourth Proportional to 13,740.32, 20,591.84 and 6,328.48

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Solution

The fourth proportional to 13,740.32, 20,591.84 and 6,328.48 is: 9,484.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,740.32 : 20,591.84 = 6,328.48 : x
  2. Step 2: Convert to fraction form
    13,740.32/20,591.84 = 6,328.48/x
  3. Step 3: Cross multiply
    13,740.32x = 20,591.84 × 6,328.48
  4. Step 4: Simplify right side
    13,740.32x = 130,315,047.60
  5. Step 5: Solve for x
    x = 130,315,047.60/13,740.32
  6. Step 6: Final answer
    x = 9,484.13

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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.