Home / 19,386.93-29,080.41-6,239.30

Finding the Fourth Proportional to 19,386.93, 29,080.41 and 6,239.30

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Solution

The fourth proportional to 19,386.93, 29,080.41 and 6,239.30 is: 9,358.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,386.93 : 29,080.41 = 6,239.30 : x
  2. Step 2: Convert to fraction form
    19,386.93/29,080.41 = 6,239.30/x
  3. Step 3: Cross multiply
    19,386.93x = 29,080.41 × 6,239.30
  4. Step 4: Simplify right side
    19,386.93x = 181,441,370.92
  5. Step 5: Solve for x
    x = 181,441,370.92/19,386.93
  6. Step 6: Final answer
    x = 9,358.95

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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.