Home / 20,803.02-31,205.13-6,015.25

Finding the Fourth Proportional to 20,803.02, 31,205.13 and 6,015.25

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Solution

The fourth proportional to 20,803.02, 31,205.13 and 6,015.25 is: 9,023.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,803.02 : 31,205.13 = 6,015.25 : x
  2. Step 2: Convert to fraction form
    20,803.02/31,205.13 = 6,015.25/x
  3. Step 3: Cross multiply
    20,803.02x = 31,205.13 × 6,015.25
  4. Step 4: Simplify right side
    20,803.02x = 187,706,658.23
  5. Step 5: Solve for x
    x = 187,706,658.23/20,803.02
  6. Step 6: Final answer
    x = 9,023.05

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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.