Home / 14,085.12-19,437.45-8,779.96

Finding the Fourth Proportional to 14,085.12, 19,437.45 and 8,779.96

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Solution

The fourth proportional to 14,085.12, 19,437.45 and 8,779.96 is: 12,116.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,085.12 : 19,437.45 = 8,779.96 : x
  2. Step 2: Convert to fraction form
    14,085.12/19,437.45 = 8,779.96/x
  3. Step 3: Cross multiply
    14,085.12x = 19,437.45 × 8,779.96
  4. Step 4: Simplify right side
    14,085.12x = 170,659,936.31
  5. Step 5: Solve for x
    x = 170,659,936.31/14,085.12
  6. Step 6: Final answer
    x = 12,116.33

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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.