Home / 19,784.74-27,301.90-10,830.52

Finding the Fourth Proportional to 19,784.74, 27,301.90 and 10,830.52

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Solution

The fourth proportional to 19,784.74, 27,301.90 and 10,830.52 is: 14,945.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,784.74 : 27,301.90 = 10,830.52 : x
  2. Step 2: Convert to fraction form
    19,784.74/27,301.90 = 10,830.52/x
  3. Step 3: Cross multiply
    19,784.74x = 27,301.90 × 10,830.52
  4. Step 4: Simplify right side
    19,784.74x = 295,693,815.17
  5. Step 5: Solve for x
    x = 295,693,815.17/19,784.74
  6. Step 6: Final answer
    x = 14,945.55

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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.