Home / 18,403.86-25,398.09-10,446.83

Finding the Fourth Proportional to 18,403.86, 25,398.09 and 10,446.83

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Solution

The fourth proportional to 18,403.86, 25,398.09 and 10,446.83 is: 14,417.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403.86 : 25,398.09 = 10,446.83 : x
  2. Step 2: Convert to fraction form
    18,403.86/25,398.09 = 10,446.83/x
  3. Step 3: Cross multiply
    18,403.86x = 25,398.09 × 10,446.83
  4. Step 4: Simplify right side
    18,403.86x = 265,329,401.56
  5. Step 5: Solve for x
    x = 265,329,401.56/18,403.86
  6. Step 6: Final answer
    x = 14,417.05

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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.