Home / 15,361.64-23,043.90-11,902.76

Finding the Fourth Proportional to 15,361.64, 23,043.90 and 11,902.76

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Solution

The fourth proportional to 15,361.64, 23,043.90 and 11,902.76 is: 17,855.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,361.64 : 23,043.90 = 11,902.76 : x
  2. Step 2: Convert to fraction form
    15,361.64/23,043.90 = 11,902.76/x
  3. Step 3: Cross multiply
    15,361.64x = 23,043.90 × 11,902.76
  4. Step 4: Simplify right side
    15,361.64x = 274,286,011.16
  5. Step 5: Solve for x
    x = 274,286,011.16/15,361.64
  6. Step 6: Final answer
    x = 17,855.26

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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.