Home / 15,989.94-23,985.15-6,129.72

Finding the Fourth Proportional to 15,989.94, 23,985.15 and 6,129.72

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Solution

The fourth proportional to 15,989.94, 23,985.15 and 6,129.72 is: 9,194.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,989.94 : 23,985.15 = 6,129.72 : x
  2. Step 2: Convert to fraction form
    15,989.94/23,985.15 = 6,129.72/x
  3. Step 3: Cross multiply
    15,989.94x = 23,985.15 × 6,129.72
  4. Step 4: Simplify right side
    15,989.94x = 147,022,253.66
  5. Step 5: Solve for x
    x = 147,022,253.66/15,989.94
  6. Step 6: Final answer
    x = 9,194.67

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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.