Home / 18,756.29-25,882.61-10,256.76

Finding the Fourth Proportional to 18,756.29, 25,882.61 and 10,256.76

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Solution

The fourth proportional to 18,756.29, 25,882.61 and 10,256.76 is: 14,153.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,756.29 : 25,882.61 = 10,256.76 : x
  2. Step 2: Convert to fraction form
    18,756.29/25,882.61 = 10,256.76/x
  3. Step 3: Cross multiply
    18,756.29x = 25,882.61 × 10,256.76
  4. Step 4: Simplify right side
    18,756.29x = 265,471,667.66
  5. Step 5: Solve for x
    x = 265,471,667.66/18,756.29
  6. Step 6: Final answer
    x = 14,153.74

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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.