Home / 14,897.15-20,558.30-8,183.40

Finding the Fourth Proportional to 14,897.15, 20,558.30 and 8,183.40

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Solution

The fourth proportional to 14,897.15, 20,558.30 and 8,183.40 is: 11,293.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,897.15 : 20,558.30 = 8,183.40 : x
  2. Step 2: Convert to fraction form
    14,897.15/20,558.30 = 8,183.40/x
  3. Step 3: Cross multiply
    14,897.15x = 20,558.30 × 8,183.40
  4. Step 4: Simplify right side
    14,897.15x = 168,236,751.30
  5. Step 5: Solve for x
    x = 168,236,751.30/14,897.15
  6. Step 6: Final answer
    x = 11,293.22

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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.