Home / 13,815.48-20,708.54-9,422.04

Finding the Fourth Proportional to 13,815.48, 20,708.54 and 9,422.04

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Solution

The fourth proportional to 13,815.48, 20,708.54 and 9,422.04 is: 14,123.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,815.48 : 20,708.54 = 9,422.04 : x
  2. Step 2: Convert to fraction form
    13,815.48/20,708.54 = 9,422.04/x
  3. Step 3: Cross multiply
    13,815.48x = 20,708.54 × 9,422.04
  4. Step 4: Simplify right side
    13,815.48x = 195,116,692.22
  5. Step 5: Solve for x
    x = 195,116,692.22/13,815.48
  6. Step 6: Final answer
    x = 14,123.05

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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.