Home / 19,767.48-27,281.46-11,153.88

Finding the Fourth Proportional to 19,767.48, 27,281.46 and 11,153.88

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Solution

The fourth proportional to 19,767.48, 27,281.46 and 11,153.88 is: 15,393.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,767.48 : 27,281.46 = 11,153.88 : x
  2. Step 2: Convert to fraction form
    19,767.48/27,281.46 = 11,153.88/x
  3. Step 3: Cross multiply
    19,767.48x = 27,281.46 × 11,153.88
  4. Step 4: Simplify right side
    19,767.48x = 304,294,131.06
  5. Step 5: Solve for x
    x = 304,294,131.06/19,767.48
  6. Step 6: Final answer
    x = 15,393.67

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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.