Home / 18,360.09-25,337.93-10,403.87

Finding the Fourth Proportional to 18,360.09, 25,337.93 and 10,403.87

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Solution

The fourth proportional to 18,360.09, 25,337.93 and 10,403.87 is: 14,357.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,360.09 : 25,337.93 = 10,403.87 : x
  2. Step 2: Convert to fraction form
    18,360.09/25,337.93 = 10,403.87/x
  3. Step 3: Cross multiply
    18,360.09x = 25,337.93 × 10,403.87
  4. Step 4: Simplify right side
    18,360.09x = 263,612,529.79
  5. Step 5: Solve for x
    x = 263,612,529.79/18,360.09
  6. Step 6: Final answer
    x = 14,357.91

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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.