Home / 18,223.70-25,148.18-10,265.99

Finding the Fourth Proportional to 18,223.70, 25,148.18 and 10,265.99

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Solution

The fourth proportional to 18,223.70, 25,148.18 and 10,265.99 is: 14,166.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,223.70 : 25,148.18 = 10,265.99 : x
  2. Step 2: Convert to fraction form
    18,223.70/25,148.18 = 10,265.99/x
  3. Step 3: Cross multiply
    18,223.70x = 25,148.18 × 10,265.99
  4. Step 4: Simplify right side
    18,223.70x = 258,170,864.32
  5. Step 5: Solve for x
    x = 258,170,864.32/18,223.70
  6. Step 6: Final answer
    x = 14,166.77

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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.