Home / 14,601.20-21,896.40-4,740.80

Finding the Fourth Proportional to 14,601.20, 21,896.40 and 4,740.80

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Solution

The fourth proportional to 14,601.20, 21,896.40 and 4,740.80 is: 7,109.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,601.20 : 21,896.40 = 4,740.80 : x
  2. Step 2: Convert to fraction form
    14,601.20/21,896.40 = 4,740.80/x
  3. Step 3: Cross multiply
    14,601.20x = 21,896.40 × 4,740.80
  4. Step 4: Simplify right side
    14,601.20x = 103,806,453.12
  5. Step 5: Solve for x
    x = 103,806,453.12/14,601.20
  6. Step 6: Final answer
    x = 7,109.45

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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.