Home / 18,877.59-28,318.44-6,225.80

Finding the Fourth Proportional to 18,877.59, 28,318.44 and 6,225.80

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Solution

The fourth proportional to 18,877.59, 28,318.44 and 6,225.80 is: 9,339.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,877.59 : 28,318.44 = 6,225.80 : x
  2. Step 2: Convert to fraction form
    18,877.59/28,318.44 = 6,225.80/x
  3. Step 3: Cross multiply
    18,877.59x = 28,318.44 × 6,225.80
  4. Step 4: Simplify right side
    18,877.59x = 176,304,802.16
  5. Step 5: Solve for x
    x = 176,304,802.16/18,877.59
  6. Step 6: Final answer
    x = 9,339.37

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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.