Home / 19,151.52-28,734.64-6,672.88

Finding the Fourth Proportional to 19,151.52, 28,734.64 and 6,672.88

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Solution

The fourth proportional to 19,151.52, 28,734.64 and 6,672.88 is: 10,011.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,151.52 : 28,734.64 = 6,672.88 : x
  2. Step 2: Convert to fraction form
    19,151.52/28,734.64 = 6,672.88/x
  3. Step 3: Cross multiply
    19,151.52x = 28,734.64 × 6,672.88
  4. Step 4: Simplify right side
    19,151.52x = 191,742,804.56
  5. Step 5: Solve for x
    x = 191,742,804.56/19,151.52
  6. Step 6: Final answer
    x = 10,011.88

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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.