Home / 14,781.29-22,173.45-4,785.28

Finding the Fourth Proportional to 14,781.29, 22,173.45 and 4,785.28

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Solution

The fourth proportional to 14,781.29, 22,173.45 and 4,785.28 is: 7,178.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,781.29 : 22,173.45 = 4,785.28 : x
  2. Step 2: Convert to fraction form
    14,781.29/22,173.45 = 4,785.28/x
  3. Step 3: Cross multiply
    14,781.29x = 22,173.45 × 4,785.28
  4. Step 4: Simplify right side
    14,781.29x = 106,106,093.44
  5. Step 5: Solve for x
    x = 106,106,093.44/14,781.29
  6. Step 6: Final answer
    x = 7,178.41

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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.