Home / 18,358.79-25,334.13-10,400.84

Finding the Fourth Proportional to 18,358.79, 25,334.13 and 10,400.84

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Solution

The fourth proportional to 18,358.79, 25,334.13 and 10,400.84 is: 14,352.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,358.79 : 25,334.13 = 10,400.84 : x
  2. Step 2: Convert to fraction form
    18,358.79/25,334.13 = 10,400.84/x
  3. Step 3: Cross multiply
    18,358.79x = 25,334.13 × 10,400.84
  4. Step 4: Simplify right side
    18,358.79x = 263,496,106.00
  5. Step 5: Solve for x
    x = 263,496,106.00/18,358.79
  6. Step 6: Final answer
    x = 14,352.59

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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.