Home / 18,868.68-28,304.46-5,017.32

Finding the Fourth Proportional to 18,868.68, 28,304.46 and 5,017.32

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Solution

The fourth proportional to 18,868.68, 28,304.46 and 5,017.32 is: 7,526.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,868.68 : 28,304.46 = 5,017.32 : x
  2. Step 2: Convert to fraction form
    18,868.68/28,304.46 = 5,017.32/x
  3. Step 3: Cross multiply
    18,868.68x = 28,304.46 × 5,017.32
  4. Step 4: Simplify right side
    18,868.68x = 142,012,533.25
  5. Step 5: Solve for x
    x = 142,012,533.25/18,868.68
  6. Step 6: Final answer
    x = 7,526.36

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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.