Home / 19,767.65-27,278.83-11,701.72

Finding the Fourth Proportional to 19,767.65, 27,278.83 and 11,701.72

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Solution

The fourth proportional to 19,767.65, 27,278.83 and 11,701.72 is: 16,148.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,767.65 : 27,278.83 = 11,701.72 : x
  2. Step 2: Convert to fraction form
    19,767.65/27,278.83 = 11,701.72/x
  3. Step 3: Cross multiply
    19,767.65x = 27,278.83 × 11,701.72
  4. Step 4: Simplify right side
    19,767.65x = 319,209,230.59
  5. Step 5: Solve for x
    x = 319,209,230.59/19,767.65
  6. Step 6: Final answer
    x = 16,148.06

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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.