Home / 10,123.37-15,185.81-4,859.52

Finding the Fourth Proportional to 10,123.37, 15,185.81 and 4,859.52

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Solution

The fourth proportional to 10,123.37, 15,185.81 and 4,859.52 is: 7,289.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,123.37 : 15,185.81 = 4,859.52 : x
  2. Step 2: Convert to fraction form
    10,123.37/15,185.81 = 4,859.52/x
  3. Step 3: Cross multiply
    10,123.37x = 15,185.81 × 4,859.52
  4. Step 4: Simplify right side
    10,123.37x = 73,795,723.11
  5. Step 5: Solve for x
    x = 73,795,723.11/10,123.37
  6. Step 6: Final answer
    x = 7,289.64

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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.