Home / 13,839.90-20,762.12-4,482.27

Finding the Fourth Proportional to 13,839.90, 20,762.12 and 4,482.27

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Solution

The fourth proportional to 13,839.90, 20,762.12 and 4,482.27 is: 6,724.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,839.90 : 20,762.12 = 4,482.27 : x
  2. Step 2: Convert to fraction form
    13,839.90/20,762.12 = 4,482.27/x
  3. Step 3: Cross multiply
    13,839.90x = 20,762.12 × 4,482.27
  4. Step 4: Simplify right side
    13,839.90x = 93,061,438.82
  5. Step 5: Solve for x
    x = 93,061,438.82/13,839.90
  6. Step 6: Final answer
    x = 6,724.14

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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.