Home / 19,379.24-29,064.54-7,689.32

Finding the Fourth Proportional to 19,379.24, 29,064.54 and 7,689.32

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Solution

The fourth proportional to 19,379.24, 29,064.54 and 7,689.32 is: 11,532.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,379.24 : 29,064.54 = 7,689.32 : x
  2. Step 2: Convert to fraction form
    19,379.24/29,064.54 = 7,689.32/x
  3. Step 3: Cross multiply
    19,379.24x = 29,064.54 × 7,689.32
  4. Step 4: Simplify right side
    19,379.24x = 223,486,548.71
  5. Step 5: Solve for x
    x = 223,486,548.71/19,379.24
  6. Step 6: Final answer
    x = 11,532.27

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.