Home / 9,995.28-14,995.35-3,424.56

Finding the Fourth Proportional to 9,995.28, 14,995.35 and 3,424.56

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Solution

The fourth proportional to 9,995.28, 14,995.35 and 3,424.56 is: 5,137.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,995.28 : 14,995.35 = 3,424.56 : x
  2. Step 2: Convert to fraction form
    9,995.28/14,995.35 = 3,424.56/x
  3. Step 3: Cross multiply
    9,995.28x = 14,995.35 × 3,424.56
  4. Step 4: Simplify right side
    9,995.28x = 51,352,475.80
  5. Step 5: Solve for x
    x = 51,352,475.80/9,995.28
  6. Step 6: Final answer
    x = 5,137.67

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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.