Home / 12,428.08-17,150.48-6,762.69

Finding the Fourth Proportional to 12,428.08, 17,150.48 and 6,762.69

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Solution

The fourth proportional to 12,428.08, 17,150.48 and 6,762.69 is: 9,332.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,428.08 : 17,150.48 = 6,762.69 : x
  2. Step 2: Convert to fraction form
    12,428.08/17,150.48 = 6,762.69/x
  3. Step 3: Cross multiply
    12,428.08x = 17,150.48 × 6,762.69
  4. Step 4: Simplify right side
    12,428.08x = 115,983,409.18
  5. Step 5: Solve for x
    x = 115,983,409.18/12,428.08
  6. Step 6: Final answer
    x = 9,332.37

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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.