Home / 19,209.47-28,813.15-7,368.92

Finding the Fourth Proportional to 19,209.47, 28,813.15 and 7,368.92

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Solution

The fourth proportional to 19,209.47, 28,813.15 and 7,368.92 is: 11,052.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,209.47 : 28,813.15 = 7,368.92 : x
  2. Step 2: Convert to fraction form
    19,209.47/28,813.15 = 7,368.92/x
  3. Step 3: Cross multiply
    19,209.47x = 28,813.15 × 7,368.92
  4. Step 4: Simplify right side
    19,209.47x = 212,321,634.81
  5. Step 5: Solve for x
    x = 212,321,634.81/19,209.47
  6. Step 6: Final answer
    x = 11,052.97

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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.