Home / 13,925.30-20,887.90-3,537.05

Finding the Fourth Proportional to 13,925.30, 20,887.90 and 3,537.05

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Solution

The fourth proportional to 13,925.30, 20,887.90 and 3,537.05 is: 5,305.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.30 : 20,887.90 = 3,537.05 : x
  2. Step 2: Convert to fraction form
    13,925.30/20,887.90 = 3,537.05/x
  3. Step 3: Cross multiply
    13,925.30x = 20,887.90 × 3,537.05
  4. Step 4: Simplify right side
    13,925.30x = 73,881,433.41
  5. Step 5: Solve for x
    x = 73,881,433.41/13,925.30
  6. Step 6: Final answer
    x = 5,305.56

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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.