Home / 19,212.80-26,513.64-10,829.36

Finding the Fourth Proportional to 19,212.80, 26,513.64 and 10,829.36

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Solution

The fourth proportional to 19,212.80, 26,513.64 and 10,829.36 is: 14,944.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,212.80 : 26,513.64 = 10,829.36 : x
  2. Step 2: Convert to fraction form
    19,212.80/26,513.64 = 10,829.36/x
  3. Step 3: Cross multiply
    19,212.80x = 26,513.64 × 10,829.36
  4. Step 4: Simplify right side
    19,212.80x = 287,125,752.47
  5. Step 5: Solve for x
    x = 287,125,752.47/19,212.80
  6. Step 6: Final answer
    x = 14,944.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.