Home / 15,477.56-23,216.10-3,790.78

Finding the Fourth Proportional to 15,477.56, 23,216.10 and 3,790.78

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Solution

The fourth proportional to 15,477.56, 23,216.10 and 3,790.78 is: 5,686.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,477.56 : 23,216.10 = 3,790.78 : x
  2. Step 2: Convert to fraction form
    15,477.56/23,216.10 = 3,790.78/x
  3. Step 3: Cross multiply
    15,477.56x = 23,216.10 × 3,790.78
  4. Step 4: Simplify right side
    15,477.56x = 88,007,069.52
  5. Step 5: Solve for x
    x = 88,007,069.52/15,477.56
  6. Step 6: Final answer
    x = 5,686.11

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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.