Home / 15,621.32-23,431.32-4,527.76

Finding the Fourth Proportional to 15,621.32, 23,431.32 and 4,527.76

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Solution

The fourth proportional to 15,621.32, 23,431.32 and 4,527.76 is: 6,791.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,621.32 : 23,431.32 = 4,527.76 : x
  2. Step 2: Convert to fraction form
    15,621.32/23,431.32 = 4,527.76/x
  3. Step 3: Cross multiply
    15,621.32x = 23,431.32 × 4,527.76
  4. Step 4: Simplify right side
    15,621.32x = 106,091,393.44
  5. Step 5: Solve for x
    x = 106,091,393.44/15,621.32
  6. Step 6: Final answer
    x = 6,791.45

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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.