Home / 18,423.93-27,635.78-5,276.32

Finding the Fourth Proportional to 18,423.93, 27,635.78 and 5,276.32

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Solution

The fourth proportional to 18,423.93, 27,635.78 and 5,276.32 is: 7,914.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,423.93 : 27,635.78 = 5,276.32 : x
  2. Step 2: Convert to fraction form
    18,423.93/27,635.78 = 5,276.32/x
  3. Step 3: Cross multiply
    18,423.93x = 27,635.78 × 5,276.32
  4. Step 4: Simplify right side
    18,423.93x = 145,815,192.35
  5. Step 5: Solve for x
    x = 145,815,192.35/18,423.93
  6. Step 6: Final answer
    x = 7,914.45

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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.