Home / 18,772.02-28,153.87-5,622.66

Finding the Fourth Proportional to 18,772.02, 28,153.87 and 5,622.66

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Solution

The fourth proportional to 18,772.02, 28,153.87 and 5,622.66 is: 8,432.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,772.02 : 28,153.87 = 5,622.66 : x
  2. Step 2: Convert to fraction form
    18,772.02/28,153.87 = 5,622.66/x
  3. Step 3: Cross multiply
    18,772.02x = 28,153.87 × 5,622.66
  4. Step 4: Simplify right side
    18,772.02x = 158,299,638.69
  5. Step 5: Solve for x
    x = 158,299,638.69/18,772.02
  6. Step 6: Final answer
    x = 8,432.74

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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.