Home / 25,186.34-34,756.67-13,855.18

Finding the Fourth Proportional to 25,186.34, 34,756.67 and 13,855.18

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Solution

The fourth proportional to 25,186.34, 34,756.67 and 13,855.18 is: 19,119.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,186.34 : 34,756.67 = 13,855.18 : x
  2. Step 2: Convert to fraction form
    25,186.34/34,756.67 = 13,855.18/x
  3. Step 3: Cross multiply
    25,186.34x = 34,756.67 × 13,855.18
  4. Step 4: Simplify right side
    25,186.34x = 481,559,795.24
  5. Step 5: Solve for x
    x = 481,559,795.24/25,186.34
  6. Step 6: Final answer
    x = 19,119.88

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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.