Home / 18,779.64-25,916.94-10,282.80

Finding the Fourth Proportional to 18,779.64, 25,916.94 and 10,282.80

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Solution

The fourth proportional to 18,779.64, 25,916.94 and 10,282.80 is: 14,190.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,779.64 : 25,916.94 = 10,282.80 : x
  2. Step 2: Convert to fraction form
    18,779.64/25,916.94 = 10,282.80/x
  3. Step 3: Cross multiply
    18,779.64x = 25,916.94 × 10,282.80
  4. Step 4: Simplify right side
    18,779.64x = 266,498,710.63
  5. Step 5: Solve for x
    x = 266,498,710.63/18,779.64
  6. Step 6: Final answer
    x = 14,190.83

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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.