Home / 19,736.90-27,237.02-10,784.55

Finding the Fourth Proportional to 19,736.90, 27,237.02 and 10,784.55

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Solution

The fourth proportional to 19,736.90, 27,237.02 and 10,784.55 is: 14,882.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,736.90 : 27,237.02 = 10,784.55 : x
  2. Step 2: Convert to fraction form
    19,736.90/27,237.02 = 10,784.55/x
  3. Step 3: Cross multiply
    19,736.90x = 27,237.02 × 10,784.55
  4. Step 4: Simplify right side
    19,736.90x = 293,738,950.12
  5. Step 5: Solve for x
    x = 293,738,950.12/19,736.90
  6. Step 6: Final answer
    x = 14,882.73

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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.