Home / 14,577.52-20,117.10-8,203.90

Finding the Fourth Proportional to 14,577.52, 20,117.10 and 8,203.90

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Solution

The fourth proportional to 14,577.52, 20,117.10 and 8,203.90 is: 11,321.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,577.52 : 20,117.10 = 8,203.90 : x
  2. Step 2: Convert to fraction form
    14,577.52/20,117.10 = 8,203.90/x
  3. Step 3: Cross multiply
    14,577.52x = 20,117.10 × 8,203.90
  4. Step 4: Simplify right side
    14,577.52x = 165,038,676.69
  5. Step 5: Solve for x
    x = 165,038,676.69/14,577.52
  6. Step 6: Final answer
    x = 11,321.45

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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.