Home / 19,154.62-28,731.84-4,923.08

Finding the Fourth Proportional to 19,154.62, 28,731.84 and 4,923.08

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Solution

The fourth proportional to 19,154.62, 28,731.84 and 4,923.08 is: 7,384.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,154.62 : 28,731.84 = 4,923.08 : x
  2. Step 2: Convert to fraction form
    19,154.62/28,731.84 = 4,923.08/x
  3. Step 3: Cross multiply
    19,154.62x = 28,731.84 × 4,923.08
  4. Step 4: Simplify right side
    19,154.62x = 141,449,254.11
  5. Step 5: Solve for x
    x = 141,449,254.11/19,154.62
  6. Step 6: Final answer
    x = 7,384.60

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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.