Home / 18,782.48-25,920.22-10,284.96

Finding the Fourth Proportional to 18,782.48, 25,920.22 and 10,284.96

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Solution

The fourth proportional to 18,782.48, 25,920.22 and 10,284.96 is: 14,193.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,782.48 : 25,920.22 = 10,284.96 : x
  2. Step 2: Convert to fraction form
    18,782.48/25,920.22 = 10,284.96/x
  3. Step 3: Cross multiply
    18,782.48x = 25,920.22 × 10,284.96
  4. Step 4: Simplify right side
    18,782.48x = 266,588,425.89
  5. Step 5: Solve for x
    x = 266,588,425.89/18,782.48
  6. Step 6: Final answer
    x = 14,193.46

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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.