Home / 19,302.30-28,953.45-11,007.90

Finding the Fourth Proportional to 19,302.30, 28,953.45 and 11,007.90

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Solution

The fourth proportional to 19,302.30, 28,953.45 and 11,007.90 is: 16,511.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,302.30 : 28,953.45 = 11,007.90 : x
  2. Step 2: Convert to fraction form
    19,302.30/28,953.45 = 11,007.90/x
  3. Step 3: Cross multiply
    19,302.30x = 28,953.45 × 11,007.90
  4. Step 4: Simplify right side
    19,302.30x = 318,716,682.26
  5. Step 5: Solve for x
    x = 318,716,682.26/19,302.30
  6. Step 6: Final answer
    x = 16,511.85

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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.