Home / 19,182.42-28,782.95-8,659.71

Finding the Fourth Proportional to 19,182.42, 28,782.95 and 8,659.71

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Solution

The fourth proportional to 19,182.42, 28,782.95 and 8,659.71 is: 12,993.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,182.42 : 28,782.95 = 8,659.71 : x
  2. Step 2: Convert to fraction form
    19,182.42/28,782.95 = 8,659.71/x
  3. Step 3: Cross multiply
    19,182.42x = 28,782.95 × 8,659.71
  4. Step 4: Simplify right side
    19,182.42x = 249,251,956.65
  5. Step 5: Solve for x
    x = 249,251,956.65/19,182.42
  6. Step 6: Final answer
    x = 12,993.77

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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.