Home / 20,156.02-30,234.09-7,008.52

Finding the Fourth Proportional to 20,156.02, 30,234.09 and 7,008.52

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Solution

The fourth proportional to 20,156.02, 30,234.09 and 7,008.52 is: 10,512.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,156.02 : 30,234.09 = 7,008.52 : x
  2. Step 2: Convert to fraction form
    20,156.02/30,234.09 = 7,008.52/x
  3. Step 3: Cross multiply
    20,156.02x = 30,234.09 × 7,008.52
  4. Step 4: Simplify right side
    20,156.02x = 211,896,224.45
  5. Step 5: Solve for x
    x = 211,896,224.45/20,156.02
  6. Step 6: Final answer
    x = 10,512.80

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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.