Home / 18,506.90-27,748.01-10,190.84

Finding the Fourth Proportional to 18,506.90, 27,748.01 and 10,190.84

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Solution

The fourth proportional to 18,506.90, 27,748.01 and 10,190.84 is: 15,279.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,506.90 : 27,748.01 = 10,190.84 : x
  2. Step 2: Convert to fraction form
    18,506.90/27,748.01 = 10,190.84/x
  3. Step 3: Cross multiply
    18,506.90x = 27,748.01 × 10,190.84
  4. Step 4: Simplify right side
    18,506.90x = 282,775,340.53
  5. Step 5: Solve for x
    x = 282,775,340.53/18,506.90
  6. Step 6: Final answer
    x = 15,279.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.