Home / 19,284.33-28,953.26-9,931.02

Finding the Fourth Proportional to 19,284.33, 28,953.26 and 9,931.02

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Solution

The fourth proportional to 19,284.33, 28,953.26 and 9,931.02 is: 14,910.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,284.33 : 28,953.26 = 9,931.02 : x
  2. Step 2: Convert to fraction form
    19,284.33/28,953.26 = 9,931.02/x
  3. Step 3: Cross multiply
    19,284.33x = 28,953.26 × 9,931.02
  4. Step 4: Simplify right side
    19,284.33x = 287,535,426.85
  5. Step 5: Solve for x
    x = 287,535,426.85/19,284.33
  6. Step 6: Final answer
    x = 14,910.32

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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.