Home / 18,423.10-27,639.42-5,276.44

Finding the Fourth Proportional to 18,423.10, 27,639.42 and 5,276.44

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Solution

The fourth proportional to 18,423.10, 27,639.42 and 5,276.44 is: 7,916.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,423.10 : 27,639.42 = 5,276.44 : x
  2. Step 2: Convert to fraction form
    18,423.10/27,639.42 = 5,276.44/x
  3. Step 3: Cross multiply
    18,423.10x = 27,639.42 × 5,276.44
  4. Step 4: Simplify right side
    18,423.10x = 145,837,741.26
  5. Step 5: Solve for x
    x = 145,837,741.26/18,423.10
  6. Step 6: Final answer
    x = 7,916.03

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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.