Home / 19,387.32-29,078.22-6,240.84

Finding the Fourth Proportional to 19,387.32, 29,078.22 and 6,240.84

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Solution

The fourth proportional to 19,387.32, 29,078.22 and 6,240.84 is: 9,360.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387.32 : 29,078.22 = 6,240.84 : x
  2. Step 2: Convert to fraction form
    19,387.32/29,078.22 = 6,240.84/x
  3. Step 3: Cross multiply
    19,387.32x = 29,078.22 × 6,240.84
  4. Step 4: Simplify right side
    19,387.32x = 181,472,518.50
  5. Step 5: Solve for x
    x = 181,472,518.50/19,387.32
  6. Step 6: Final answer
    x = 9,360.37

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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.