Home / 15,939-23,911.35-6,573.81

Finding the Fourth Proportional to 15,939, 23,911.35 and 6,573.81

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Solution

The fourth proportional to 15,939, 23,911.35 and 6,573.81 is: 9,861.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,939 : 23,911.35 = 6,573.81 : x
  2. Step 2: Convert to fraction form
    15,939/23,911.35 = 6,573.81/x
  3. Step 3: Cross multiply
    15,939x = 23,911.35 × 6,573.81
  4. Step 4: Simplify right side
    15,939x = 157,188,671.74
  5. Step 5: Solve for x
    x = 157,188,671.74/15,939
  6. Step 6: Final answer
    x = 9,861.89

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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.