Home / 18,410.34-25,401.86-10,856.08

Finding the Fourth Proportional to 18,410.34, 25,401.86 and 10,856.08

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Solution

The fourth proportional to 18,410.34, 25,401.86 and 10,856.08 is: 14,978.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,410.34 : 25,401.86 = 10,856.08 : x
  2. Step 2: Convert to fraction form
    18,410.34/25,401.86 = 10,856.08/x
  3. Step 3: Cross multiply
    18,410.34x = 25,401.86 × 10,856.08
  4. Step 4: Simplify right side
    18,410.34x = 275,764,506.52
  5. Step 5: Solve for x
    x = 275,764,506.52/18,410.34
  6. Step 6: Final answer
    x = 14,978.78

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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.