Home / 15,034.36-20,737.74-10,321.24

Finding the Fourth Proportional to 15,034.36, 20,737.74 and 10,321.24

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Solution

The fourth proportional to 15,034.36, 20,737.74 and 10,321.24 is: 14,236.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,034.36 : 20,737.74 = 10,321.24 : x
  2. Step 2: Convert to fraction form
    15,034.36/20,737.74 = 10,321.24/x
  3. Step 3: Cross multiply
    15,034.36x = 20,737.74 × 10,321.24
  4. Step 4: Simplify right side
    15,034.36x = 214,039,191.60
  5. Step 5: Solve for x
    x = 214,039,191.60/15,034.36
  6. Step 6: Final answer
    x = 14,236.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.