Home / 42,169.50-63,254.88-11,004.75

Finding the Fourth Proportional to 42,169.50, 63,254.88 and 11,004.75

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Solution

The fourth proportional to 42,169.50, 63,254.88 and 11,004.75 is: 16,507.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,169.50 : 63,254.88 = 11,004.75 : x
  2. Step 2: Convert to fraction form
    42,169.50/63,254.88 = 11,004.75/x
  3. Step 3: Cross multiply
    42,169.50x = 63,254.88 × 11,004.75
  4. Step 4: Simplify right side
    42,169.50x = 696,104,140.68
  5. Step 5: Solve for x
    x = 696,104,140.68/42,169.50
  6. Step 6: Final answer
    x = 16,507.29

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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.