Home / 18,457.02-27,643.92-8,575.50

Finding the Fourth Proportional to 18,457.02, 27,643.92 and 8,575.50

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Solution

The fourth proportional to 18,457.02, 27,643.92 and 8,575.50 is: 12,843.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,457.02 : 27,643.92 = 8,575.50 : x
  2. Step 2: Convert to fraction form
    18,457.02/27,643.92 = 8,575.50/x
  3. Step 3: Cross multiply
    18,457.02x = 27,643.92 × 8,575.50
  4. Step 4: Simplify right side
    18,457.02x = 237,060,435.96
  5. Step 5: Solve for x
    x = 237,060,435.96/18,457.02
  6. Step 6: Final answer
    x = 12,843.92

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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.