Home / 18,280.96-27,418.14-5,130.10

Finding the Fourth Proportional to 18,280.96, 27,418.14 and 5,130.10

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Solution

The fourth proportional to 18,280.96, 27,418.14 and 5,130.10 is: 7,694.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,280.96 : 27,418.14 = 5,130.10 : x
  2. Step 2: Convert to fraction form
    18,280.96/27,418.14 = 5,130.10/x
  3. Step 3: Cross multiply
    18,280.96x = 27,418.14 × 5,130.10
  4. Step 4: Simplify right side
    18,280.96x = 140,657,800.01
  5. Step 5: Solve for x
    x = 140,657,800.01/18,280.96
  6. Step 6: Final answer
    x = 7,694.22

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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.