Home / 10,002.02-15,004.86-3,428.87

Finding the Fourth Proportional to 10,002.02, 15,004.86 and 3,428.87

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Solution

The fourth proportional to 10,002.02, 15,004.86 and 3,428.87 is: 5,143.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,002.02 : 15,004.86 = 3,428.87 : x
  2. Step 2: Convert to fraction form
    10,002.02/15,004.86 = 3,428.87/x
  3. Step 3: Cross multiply
    10,002.02x = 15,004.86 × 3,428.87
  4. Step 4: Simplify right side
    10,002.02x = 51,449,751.82
  5. Step 5: Solve for x
    x = 51,449,751.82/10,002.02
  6. Step 6: Final answer
    x = 5,143.93

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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.