Home / 19,783.86-27,300.69-10,829.66

Finding the Fourth Proportional to 19,783.86, 27,300.69 and 10,829.66

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Solution

The fourth proportional to 19,783.86, 27,300.69 and 10,829.66 is: 14,944.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,783.86 : 27,300.69 = 10,829.66 : x
  2. Step 2: Convert to fraction form
    19,783.86/27,300.69 = 10,829.66/x
  3. Step 3: Cross multiply
    19,783.86x = 27,300.69 × 10,829.66
  4. Step 4: Simplify right side
    19,783.86x = 295,657,053.96
  5. Step 5: Solve for x
    x = 295,657,053.96/19,783.86
  6. Step 6: Final answer
    x = 14,944.36

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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.