Home / 14,498.09-20,010.20-8,534.87

Finding the Fourth Proportional to 14,498.09, 20,010.20 and 8,534.87

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Solution

The fourth proportional to 14,498.09, 20,010.20 and 8,534.87 is: 11,779.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,498.09 : 20,010.20 = 8,534.87 : x
  2. Step 2: Convert to fraction form
    14,498.09/20,010.20 = 8,534.87/x
  3. Step 3: Cross multiply
    14,498.09x = 20,010.20 × 8,534.87
  4. Step 4: Simplify right side
    14,498.09x = 170,784,312.95
  5. Step 5: Solve for x
    x = 170,784,312.95/14,498.09
  6. Step 6: Final answer
    x = 11,779.78

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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.