Home / 14,744.50-22,120.40-4,884.78

Finding the Fourth Proportional to 14,744.50, 22,120.40 and 4,884.78

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Solution

The fourth proportional to 14,744.50, 22,120.40 and 4,884.78 is: 7,328.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,744.50 : 22,120.40 = 4,884.78 : x
  2. Step 2: Convert to fraction form
    14,744.50/22,120.40 = 4,884.78/x
  3. Step 3: Cross multiply
    14,744.50x = 22,120.40 × 4,884.78
  4. Step 4: Simplify right side
    14,744.50x = 108,053,287.51
  5. Step 5: Solve for x
    x = 108,053,287.51/14,744.50
  6. Step 6: Final answer
    x = 7,328.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.