Home / 15,861.60-23,784.30-5,865.84

Finding the Fourth Proportional to 15,861.60, 23,784.30 and 5,865.84

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Solution

The fourth proportional to 15,861.60, 23,784.30 and 5,865.84 is: 8,795.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,861.60 : 23,784.30 = 5,865.84 : x
  2. Step 2: Convert to fraction form
    15,861.60/23,784.30 = 5,865.84/x
  3. Step 3: Cross multiply
    15,861.60x = 23,784.30 × 5,865.84
  4. Step 4: Simplify right side
    15,861.60x = 139,514,898.31
  5. Step 5: Solve for x
    x = 139,514,898.31/15,861.60
  6. Step 6: Final answer
    x = 8,795.76

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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.