Home / 15,611.81-23,415.32-5,748.72

Finding the Fourth Proportional to 15,611.81, 23,415.32 and 5,748.72

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Solution

The fourth proportional to 15,611.81, 23,415.32 and 5,748.72 is: 8,622.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,611.81 : 23,415.32 = 5,748.72 : x
  2. Step 2: Convert to fraction form
    15,611.81/23,415.32 = 5,748.72/x
  3. Step 3: Cross multiply
    15,611.81x = 23,415.32 × 5,748.72
  4. Step 4: Simplify right side
    15,611.81x = 134,608,089.65
  5. Step 5: Solve for x
    x = 134,608,089.65/15,611.81
  6. Step 6: Final answer
    x = 8,622.20

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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.