Home / 13,758.04-20,630.74-4,395.99

Finding the Fourth Proportional to 13,758.04, 20,630.74 and 4,395.99

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Solution

The fourth proportional to 13,758.04, 20,630.74 and 4,395.99 is: 6,591.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,758.04 : 20,630.74 = 4,395.99 : x
  2. Step 2: Convert to fraction form
    13,758.04/20,630.74 = 4,395.99/x
  3. Step 3: Cross multiply
    13,758.04x = 20,630.74 × 4,395.99
  4. Step 4: Simplify right side
    13,758.04x = 90,692,526.73
  5. Step 5: Solve for x
    x = 90,692,526.73/13,758.04
  6. Step 6: Final answer
    x = 6,591.97

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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.