Home / 12,715.48-19,059.62-4,814.28

Finding the Fourth Proportional to 12,715.48, 19,059.62 and 4,814.28

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Solution

The fourth proportional to 12,715.48, 19,059.62 and 4,814.28 is: 7,216.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,715.48 : 19,059.62 = 4,814.28 : x
  2. Step 2: Convert to fraction form
    12,715.48/19,059.62 = 4,814.28/x
  3. Step 3: Cross multiply
    12,715.48x = 19,059.62 × 4,814.28
  4. Step 4: Simplify right side
    12,715.48x = 91,758,347.37
  5. Step 5: Solve for x
    x = 91,758,347.37/12,715.48
  6. Step 6: Final answer
    x = 7,216.27

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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.