Home / 18,904.52-28,361.40-5,756.18

Finding the Fourth Proportional to 18,904.52, 28,361.40 and 5,756.18

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Solution

The fourth proportional to 18,904.52, 28,361.40 and 5,756.18 is: 8,635.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,904.52 : 28,361.40 = 5,756.18 : x
  2. Step 2: Convert to fraction form
    18,904.52/28,361.40 = 5,756.18/x
  3. Step 3: Cross multiply
    18,904.52x = 28,361.40 × 5,756.18
  4. Step 4: Simplify right side
    18,904.52x = 163,253,323.45
  5. Step 5: Solve for x
    x = 163,253,323.45/18,904.52
  6. Step 6: Final answer
    x = 8,635.68

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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.