Home / 19,758.17-27,265.88-10,805.58

Finding the Fourth Proportional to 19,758.17, 27,265.88 and 10,805.58

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Solution

The fourth proportional to 19,758.17, 27,265.88 and 10,805.58 is: 14,911.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,758.17 : 27,265.88 = 10,805.58 : x
  2. Step 2: Convert to fraction form
    19,758.17/27,265.88 = 10,805.58/x
  3. Step 3: Cross multiply
    19,758.17x = 27,265.88 × 10,805.58
  4. Step 4: Simplify right side
    19,758.17x = 294,623,674.62
  5. Step 5: Solve for x
    x = 294,623,674.62/19,758.17
  6. Step 6: Final answer
    x = 14,911.48

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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.