Home / 15,720.89-23,582.31-5,856.83

Finding the Fourth Proportional to 15,720.89, 23,582.31 and 5,856.83

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Solution

The fourth proportional to 15,720.89, 23,582.31 and 5,856.83 is: 8,785.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,720.89 : 23,582.31 = 5,856.83 : x
  2. Step 2: Convert to fraction form
    15,720.89/23,582.31 = 5,856.83/x
  3. Step 3: Cross multiply
    15,720.89x = 23,582.31 × 5,856.83
  4. Step 4: Simplify right side
    15,720.89x = 138,117,644.98
  5. Step 5: Solve for x
    x = 138,117,644.98/15,720.89
  6. Step 6: Final answer
    x = 8,785.62

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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.