Home / 13,939.38-19,236.24-7,565.82

Finding the Fourth Proportional to 13,939.38, 19,236.24 and 7,565.82

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Solution

The fourth proportional to 13,939.38, 19,236.24 and 7,565.82 is: 10,440.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,939.38 : 19,236.24 = 7,565.82 : x
  2. Step 2: Convert to fraction form
    13,939.38/19,236.24 = 7,565.82/x
  3. Step 3: Cross multiply
    13,939.38x = 19,236.24 × 7,565.82
  4. Step 4: Simplify right side
    13,939.38x = 145,537,929.32
  5. Step 5: Solve for x
    x = 145,537,929.32/13,939.38
  6. Step 6: Final answer
    x = 10,440.77

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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.