Home / 18,952.83-28,430.46-5,814.36

Finding the Fourth Proportional to 18,952.83, 28,430.46 and 5,814.36

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Solution

The fourth proportional to 18,952.83, 28,430.46 and 5,814.36 is: 8,721.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,952.83 : 28,430.46 = 5,814.36 : x
  2. Step 2: Convert to fraction form
    18,952.83/28,430.46 = 5,814.36/x
  3. Step 3: Cross multiply
    18,952.83x = 28,430.46 × 5,814.36
  4. Step 4: Simplify right side
    18,952.83x = 165,304,929.41
  5. Step 5: Solve for x
    x = 165,304,929.41/18,952.83
  6. Step 6: Final answer
    x = 8,721.91

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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.