Home / 19,134.20-28,689.56-7,433.76

Finding the Fourth Proportional to 19,134.20, 28,689.56 and 7,433.76

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Solution

The fourth proportional to 19,134.20, 28,689.56 and 7,433.76 is: 11,146.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,134.20 : 28,689.56 = 7,433.76 : x
  2. Step 2: Convert to fraction form
    19,134.20/28,689.56 = 7,433.76/x
  3. Step 3: Cross multiply
    19,134.20x = 28,689.56 × 7,433.76
  4. Step 4: Simplify right side
    19,134.20x = 213,271,303.55
  5. Step 5: Solve for x
    x = 213,271,303.55/19,134.20
  6. Step 6: Final answer
    x = 11,146.08

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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.