Home / 19,765.69-27,276.55-10,813.03

Finding the Fourth Proportional to 19,765.69, 27,276.55 and 10,813.03

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Solution

The fourth proportional to 19,765.69, 27,276.55 and 10,813.03 is: 14,921.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,765.69 : 27,276.55 = 10,813.03 : x
  2. Step 2: Convert to fraction form
    19,765.69/27,276.55 = 10,813.03/x
  3. Step 3: Cross multiply
    19,765.69x = 27,276.55 × 10,813.03
  4. Step 4: Simplify right side
    19,765.69x = 294,942,153.45
  5. Step 5: Solve for x
    x = 294,942,153.45/19,765.69
  6. Step 6: Final answer
    x = 14,921.93

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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.