Home / 19,089.90-28,646.00-7,995.65

Finding the Fourth Proportional to 19,089.90, 28,646.00 and 7,995.65

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Solution

The fourth proportional to 19,089.90, 28,646.00 and 7,995.65 is: 11,998.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089.90 : 28,646.00 = 7,995.65 : x
  2. Step 2: Convert to fraction form
    19,089.90/28,646.00 = 7,995.65/x
  3. Step 3: Cross multiply
    19,089.90x = 28,646.00 × 7,995.65
  4. Step 4: Simplify right side
    19,089.90x = 229,043,206.69
  5. Step 5: Solve for x
    x = 229,043,206.69/19,089.90
  6. Step 6: Final answer
    x = 11,998.14

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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.