Home / 12,904.49-19,365.38-5,510.68

Finding the Fourth Proportional to 12,904.49, 19,365.38 and 5,510.68

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Solution

The fourth proportional to 12,904.49, 19,365.38 and 5,510.68 is: 8,269.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,904.49 : 19,365.38 = 5,510.68 : x
  2. Step 2: Convert to fraction form
    12,904.49/19,365.38 = 5,510.68/x
  3. Step 3: Cross multiply
    12,904.49x = 19,365.38 × 5,510.68
  4. Step 4: Simplify right side
    12,904.49x = 106,716,412.26
  5. Step 5: Solve for x
    x = 106,716,412.26/12,904.49
  6. Step 6: Final answer
    x = 8,269.71

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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.