Home / 18,851.12-28,277.04-5,000.24

Finding the Fourth Proportional to 18,851.12, 28,277.04 and 5,000.24

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Solution

The fourth proportional to 18,851.12, 28,277.04 and 5,000.24 is: 7,500.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,851.12 : 28,277.04 = 5,000.24 : x
  2. Step 2: Convert to fraction form
    18,851.12/28,277.04 = 5,000.24/x
  3. Step 3: Cross multiply
    18,851.12x = 28,277.04 × 5,000.24
  4. Step 4: Simplify right side
    18,851.12x = 141,391,986.49
  5. Step 5: Solve for x
    x = 141,391,986.49/18,851.12
  6. Step 6: Final answer
    x = 7,500.46

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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.