Home / 13,265.52-19,869.48-12,896.88

Finding the Fourth Proportional to 13,265.52, 19,869.48 and 12,896.88

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Solution

The fourth proportional to 13,265.52, 19,869.48 and 12,896.88 is: 19,317.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,265.52 : 19,869.48 = 12,896.88 : x
  2. Step 2: Convert to fraction form
    13,265.52/19,869.48 = 12,896.88/x
  3. Step 3: Cross multiply
    13,265.52x = 19,869.48 × 12,896.88
  4. Step 4: Simplify right side
    13,265.52x = 256,254,299.22
  5. Step 5: Solve for x
    x = 256,254,299.22/13,265.52
  6. Step 6: Final answer
    x = 19,317.32

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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.