Home / 12,509.29-17,262.79-7,476.46

Finding the Fourth Proportional to 12,509.29, 17,262.79 and 7,476.46

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Solution

The fourth proportional to 12,509.29, 17,262.79 and 7,476.46 is: 10,317.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,509.29 : 17,262.79 = 7,476.46 : x
  2. Step 2: Convert to fraction form
    12,509.29/17,262.79 = 7,476.46/x
  3. Step 3: Cross multiply
    12,509.29x = 17,262.79 × 7,476.46
  4. Step 4: Simplify right side
    12,509.29x = 129,064,558.92
  5. Step 5: Solve for x
    x = 129,064,558.92/12,509.29
  6. Step 6: Final answer
    x = 10,317.50

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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.