Home / 15,730.72-23,592.80-8,717.60

Finding the Fourth Proportional to 15,730.72, 23,592.80 and 8,717.60

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Solution

The fourth proportional to 15,730.72, 23,592.80 and 8,717.60 is: 13,074.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,730.72 : 23,592.80 = 8,717.60 : x
  2. Step 2: Convert to fraction form
    15,730.72/23,592.80 = 8,717.60/x
  3. Step 3: Cross multiply
    15,730.72x = 23,592.80 × 8,717.60
  4. Step 4: Simplify right side
    15,730.72x = 205,672,593.28
  5. Step 5: Solve for x
    x = 205,672,593.28/15,730.72
  6. Step 6: Final answer
    x = 13,074.58

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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.