Home / 14,028.37-19,359.22-7,740.74

Finding the Fourth Proportional to 14,028.37, 19,359.22 and 7,740.74

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Solution

The fourth proportional to 14,028.37, 19,359.22 and 7,740.74 is: 10,682.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,028.37 : 19,359.22 = 7,740.74 : x
  2. Step 2: Convert to fraction form
    14,028.37/19,359.22 = 7,740.74/x
  3. Step 3: Cross multiply
    14,028.37x = 19,359.22 × 7,740.74
  4. Step 4: Simplify right side
    14,028.37x = 149,854,688.62
  5. Step 5: Solve for x
    x = 149,854,688.62/14,028.37
  6. Step 6: Final answer
    x = 10,682.26

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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.