Home / 18,360.45-25,336.91-10,403.42

Finding the Fourth Proportional to 18,360.45, 25,336.91 and 10,403.42

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Solution

The fourth proportional to 18,360.45, 25,336.91 and 10,403.42 is: 14,356.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,360.45 : 25,336.91 = 10,403.42 : x
  2. Step 2: Convert to fraction form
    18,360.45/25,336.91 = 10,403.42/x
  3. Step 3: Cross multiply
    18,360.45x = 25,336.91 × 10,403.42
  4. Step 4: Simplify right side
    18,360.45x = 263,590,337.53
  5. Step 5: Solve for x
    x = 263,590,337.53/18,360.45
  6. Step 6: Final answer
    x = 14,356.42

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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.