Home / 15,640.88-23,461.64-5,775.08

Finding the Fourth Proportional to 15,640.88, 23,461.64 and 5,775.08

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Solution

The fourth proportional to 15,640.88, 23,461.64 and 5,775.08 is: 8,662.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,640.88 : 23,461.64 = 5,775.08 : x
  2. Step 2: Convert to fraction form
    15,640.88/23,461.64 = 5,775.08/x
  3. Step 3: Cross multiply
    15,640.88x = 23,461.64 × 5,775.08
  4. Step 4: Simplify right side
    15,640.88x = 135,492,847.93
  5. Step 5: Solve for x
    x = 135,492,847.93/15,640.88
  6. Step 6: Final answer
    x = 8,662.74

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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.