Home / 15,807.08-23,710.78-10,861.80

Finding the Fourth Proportional to 15,807.08, 23,710.78 and 10,861.80

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Solution

The fourth proportional to 15,807.08, 23,710.78 and 10,861.80 is: 16,292.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,807.08 : 23,710.78 = 10,861.80 : x
  2. Step 2: Convert to fraction form
    15,807.08/23,710.78 = 10,861.80/x
  3. Step 3: Cross multiply
    15,807.08x = 23,710.78 × 10,861.80
  4. Step 4: Simplify right side
    15,807.08x = 257,541,750.20
  5. Step 5: Solve for x
    x = 257,541,750.20/15,807.08
  6. Step 6: Final answer
    x = 16,292.81

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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.