Home / 12,544.61-18,673.59-12,357.71

Finding the Fourth Proportional to 12,544.61, 18,673.59 and 12,357.71

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Solution

The fourth proportional to 12,544.61, 18,673.59 and 12,357.71 is: 18,395.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544.61 : 18,673.59 = 12,357.71 : x
  2. Step 2: Convert to fraction form
    12,544.61/18,673.59 = 12,357.71/x
  3. Step 3: Cross multiply
    12,544.61x = 18,673.59 × 12,357.71
  4. Step 4: Simplify right side
    12,544.61x = 230,762,716.51
  5. Step 5: Solve for x
    x = 230,762,716.51/12,544.61
  6. Step 6: Final answer
    x = 18,395.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.