Home / 18,774.02-28,156.87-5,624.66

Finding the Fourth Proportional to 18,774.02, 28,156.87 and 5,624.66

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Solution

The fourth proportional to 18,774.02, 28,156.87 and 5,624.66 is: 8,435.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,774.02 : 28,156.87 = 5,624.66 : x
  2. Step 2: Convert to fraction form
    18,774.02/28,156.87 = 5,624.66/x
  3. Step 3: Cross multiply
    18,774.02x = 28,156.87 × 5,624.66
  4. Step 4: Simplify right side
    18,774.02x = 158,372,820.41
  5. Step 5: Solve for x
    x = 158,372,820.41/18,774.02
  6. Step 6: Final answer
    x = 8,435.74

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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.