Home / 18,756.45-25,882.79-10,256.99

Finding the Fourth Proportional to 18,756.45, 25,882.79 and 10,256.99

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Solution

The fourth proportional to 18,756.45, 25,882.79 and 10,256.99 is: 14,154.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,756.45 : 25,882.79 = 10,256.99 : x
  2. Step 2: Convert to fraction form
    18,756.45/25,882.79 = 10,256.99/x
  3. Step 3: Cross multiply
    18,756.45x = 25,882.79 × 10,256.99
  4. Step 4: Simplify right side
    18,756.45x = 265,479,337.50
  5. Step 5: Solve for x
    x = 265,479,337.50/18,756.45
  6. Step 6: Final answer
    x = 14,154.03

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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.