Home / 18,649.05-27,973.55-5,510.64

Finding the Fourth Proportional to 18,649.05, 27,973.55 and 5,510.64

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Solution

The fourth proportional to 18,649.05, 27,973.55 and 5,510.64 is: 8,265.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,649.05 : 27,973.55 = 5,510.64 : x
  2. Step 2: Convert to fraction form
    18,649.05/27,973.55 = 5,510.64/x
  3. Step 3: Cross multiply
    18,649.05x = 27,973.55 × 5,510.64
  4. Step 4: Simplify right side
    18,649.05x = 154,152,136.02
  5. Step 5: Solve for x
    x = 154,152,136.02/18,649.05
  6. Step 6: Final answer
    x = 8,265.95

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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.