Home / 19,189.16-28,759.55-10,282.40

Finding the Fourth Proportional to 19,189.16, 28,759.55 and 10,282.40

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Solution

The fourth proportional to 19,189.16, 28,759.55 and 10,282.40 is: 15,410.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,189.16 : 28,759.55 = 10,282.40 : x
  2. Step 2: Convert to fraction form
    19,189.16/28,759.55 = 10,282.40/x
  3. Step 3: Cross multiply
    19,189.16x = 28,759.55 × 10,282.40
  4. Step 4: Simplify right side
    19,189.16x = 295,717,196.92
  5. Step 5: Solve for x
    x = 295,717,196.92/19,189.16
  6. Step 6: Final answer
    x = 15,410.64

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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.