Home / 18,280.46-25,230.41-11,561.51

Finding the Fourth Proportional to 18,280.46, 25,230.41 and 11,561.51

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Solution

The fourth proportional to 18,280.46, 25,230.41 and 11,561.51 is: 15,957.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,280.46 : 25,230.41 = 11,561.51 : x
  2. Step 2: Convert to fraction form
    18,280.46/25,230.41 = 11,561.51/x
  3. Step 3: Cross multiply
    18,280.46x = 25,230.41 × 11,561.51
  4. Step 4: Simplify right side
    18,280.46x = 291,701,637.52
  5. Step 5: Solve for x
    x = 291,701,637.52/18,280.46
  6. Step 6: Final answer
    x = 15,957.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.