Home / 16,779.39-23,146.45-10,403.83

Finding the Fourth Proportional to 16,779.39, 23,146.45 and 10,403.83

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Solution

The fourth proportional to 16,779.39, 23,146.45 and 10,403.83 is: 14,351.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.39 : 23,146.45 = 10,403.83 : x
  2. Step 2: Convert to fraction form
    16,779.39/23,146.45 = 10,403.83/x
  3. Step 3: Cross multiply
    16,779.39x = 23,146.45 × 10,403.83
  4. Step 4: Simplify right side
    16,779.39x = 240,811,730.90
  5. Step 5: Solve for x
    x = 240,811,730.90/16,779.39
  6. Step 6: Final answer
    x = 14,351.64

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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.