Home / 14,878.72-20,533.22-8,164.63

Finding the Fourth Proportional to 14,878.72, 20,533.22 and 8,164.63

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Solution

The fourth proportional to 14,878.72, 20,533.22 and 8,164.63 is: 11,267.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,878.72 : 20,533.22 = 8,164.63 : x
  2. Step 2: Convert to fraction form
    14,878.72/20,533.22 = 8,164.63/x
  3. Step 3: Cross multiply
    14,878.72x = 20,533.22 × 8,164.63
  4. Step 4: Simplify right side
    14,878.72x = 167,646,144.01
  5. Step 5: Solve for x
    x = 167,646,144.01/14,878.72
  6. Step 6: Final answer
    x = 11,267.51

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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.