Home / 19,284.60-28,931.52-6,634.14

Finding the Fourth Proportional to 19,284.60, 28,931.52 and 6,634.14

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Solution

The fourth proportional to 19,284.60, 28,931.52 and 6,634.14 is: 9,952.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,284.60 : 28,931.52 = 6,634.14 : x
  2. Step 2: Convert to fraction form
    19,284.60/28,931.52 = 6,634.14/x
  3. Step 3: Cross multiply
    19,284.60x = 28,931.52 × 6,634.14
  4. Step 4: Simplify right side
    19,284.60x = 191,935,754.09
  5. Step 5: Solve for x
    x = 191,935,754.09/19,284.60
  6. Step 6: Final answer
    x = 9,952.80

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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.