Home / 14,779.17-20,395.44-8,814.24

Finding the Fourth Proportional to 14,779.17, 20,395.44 and 8,814.24

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Solution

The fourth proportional to 14,779.17, 20,395.44 and 8,814.24 is: 12,163.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,779.17 : 20,395.44 = 8,814.24 : x
  2. Step 2: Convert to fraction form
    14,779.17/20,395.44 = 8,814.24/x
  3. Step 3: Cross multiply
    14,779.17x = 20,395.44 × 8,814.24
  4. Step 4: Simplify right side
    14,779.17x = 179,770,303.07
  5. Step 5: Solve for x
    x = 179,770,303.07/14,779.17
  6. Step 6: Final answer
    x = 12,163.76

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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.