Home / 14,203.55-21,305.34-7,671.26

Finding the Fourth Proportional to 14,203.55, 21,305.34 and 7,671.26

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Solution

The fourth proportional to 14,203.55, 21,305.34 and 7,671.26 is: 11,506.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,203.55 : 21,305.34 = 7,671.26 : x
  2. Step 2: Convert to fraction form
    14,203.55/21,305.34 = 7,671.26/x
  3. Step 3: Cross multiply
    14,203.55x = 21,305.34 × 7,671.26
  4. Step 4: Simplify right side
    14,203.55x = 163,438,855.79
  5. Step 5: Solve for x
    x = 163,438,855.79/14,203.55
  6. Step 6: Final answer
    x = 11,506.90

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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.