Home / 19,742.34-27,235.67-11,779.94

Finding the Fourth Proportional to 19,742.34, 27,235.67 and 11,779.94

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Solution

The fourth proportional to 19,742.34, 27,235.67 and 11,779.94 is: 16,251.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,742.34 : 27,235.67 = 11,779.94 : x
  2. Step 2: Convert to fraction form
    19,742.34/27,235.67 = 11,779.94/x
  3. Step 3: Cross multiply
    19,742.34x = 27,235.67 × 11,779.94
  4. Step 4: Simplify right side
    19,742.34x = 320,834,363.38
  5. Step 5: Solve for x
    x = 320,834,363.38/19,742.34
  6. Step 6: Final answer
    x = 16,251.08

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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.