Home / 18,864.14-28,296.27-6,384.29

Finding the Fourth Proportional to 18,864.14, 28,296.27 and 6,384.29

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Solution

The fourth proportional to 18,864.14, 28,296.27 and 6,384.29 is: 9,576.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864.14 : 28,296.27 = 6,384.29 : x
  2. Step 2: Convert to fraction form
    18,864.14/28,296.27 = 6,384.29/x
  3. Step 3: Cross multiply
    18,864.14x = 28,296.27 × 6,384.29
  4. Step 4: Simplify right side
    18,864.14x = 180,651,452.12
  5. Step 5: Solve for x
    x = 180,651,452.12/18,864.14
  6. Step 6: Final answer
    x = 9,576.45

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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.