Home / 18,995.02-28,483.59-11,099.82

Finding the Fourth Proportional to 18,995.02, 28,483.59 and 11,099.82

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Solution

The fourth proportional to 18,995.02, 28,483.59 and 11,099.82 is: 16,644.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,995.02 : 28,483.59 = 11,099.82 : x
  2. Step 2: Convert to fraction form
    18,995.02/28,483.59 = 11,099.82/x
  3. Step 3: Cross multiply
    18,995.02x = 28,483.59 × 11,099.82
  4. Step 4: Simplify right side
    18,995.02x = 316,162,715.62
  5. Step 5: Solve for x
    x = 316,162,715.62/18,995.02
  6. Step 6: Final answer
    x = 16,644.50

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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.