Home / 18,854.36-28,285.58-6,373.76

Finding the Fourth Proportional to 18,854.36, 28,285.58 and 6,373.76

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Solution

The fourth proportional to 18,854.36, 28,285.58 and 6,373.76 is: 9,562.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,854.36 : 28,285.58 = 6,373.76 : x
  2. Step 2: Convert to fraction form
    18,854.36/28,285.58 = 6,373.76/x
  3. Step 3: Cross multiply
    18,854.36x = 28,285.58 × 6,373.76
  4. Step 4: Simplify right side
    18,854.36x = 180,285,585.03
  5. Step 5: Solve for x
    x = 180,285,585.03/18,854.36
  6. Step 6: Final answer
    x = 9,562.01

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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.