Home / 18,854.43-28,276.95-6,374.18

Finding the Fourth Proportional to 18,854.43, 28,276.95 and 6,374.18

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Solution

The fourth proportional to 18,854.43, 28,276.95 and 6,374.18 is: 9,559.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,854.43 : 28,276.95 = 6,374.18 : x
  2. Step 2: Convert to fraction form
    18,854.43/28,276.95 = 6,374.18/x
  3. Step 3: Cross multiply
    18,854.43x = 28,276.95 × 6,374.18
  4. Step 4: Simplify right side
    18,854.43x = 180,242,227.77
  5. Step 5: Solve for x
    x = 180,242,227.77/18,854.43
  6. Step 6: Final answer
    x = 9,559.68

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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.