Home / 18,263.52-27,384.71-7,157.21

Finding the Fourth Proportional to 18,263.52, 27,384.71 and 7,157.21

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Solution

The fourth proportional to 18,263.52, 27,384.71 and 7,157.21 is: 10,731.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,263.52 : 27,384.71 = 7,157.21 : x
  2. Step 2: Convert to fraction form
    18,263.52/27,384.71 = 7,157.21/x
  3. Step 3: Cross multiply
    18,263.52x = 27,384.71 × 7,157.21
  4. Step 4: Simplify right side
    18,263.52x = 195,997,947.55
  5. Step 5: Solve for x
    x = 195,997,947.55/18,263.52
  6. Step 6: Final answer
    x = 10,731.66

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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.