Home / 12,711.12-19,069.92-5,784

Finding the Fourth Proportional to 12,711.12, 19,069.92 and 5,784

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Solution

The fourth proportional to 12,711.12, 19,069.92 and 5,784 is: 8,677.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,711.12 : 19,069.92 = 5,784 : x
  2. Step 2: Convert to fraction form
    12,711.12/19,069.92 = 5,784/x
  3. Step 3: Cross multiply
    12,711.12x = 19,069.92 × 5,784
  4. Step 4: Simplify right side
    12,711.12x = 110,300,417.28
  5. Step 5: Solve for x
    x = 110,300,417.28/12,711.12
  6. Step 6: Final answer
    x = 8,677.47

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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.