Home / 18,675.02-28,017-5,348.20

Finding the Fourth Proportional to 18,675.02, 28,017 and 5,348.20

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Solution

The fourth proportional to 18,675.02, 28,017 and 5,348.20 is: 8,023.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,675.02 : 28,017 = 5,348.20 : x
  2. Step 2: Convert to fraction form
    18,675.02/28,017 = 5,348.20/x
  3. Step 3: Cross multiply
    18,675.02x = 28,017 × 5,348.20
  4. Step 4: Simplify right side
    18,675.02x = 149,840,519.40
  5. Step 5: Solve for x
    x = 149,840,519.40/18,675.02
  6. Step 6: Final answer
    x = 8,023.58

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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.