Home / 12,544.61-17,315.64-9,018.07

Finding the Fourth Proportional to 12,544.61, 17,315.64 and 9,018.07

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Solution

The fourth proportional to 12,544.61, 17,315.64 and 9,018.07 is: 12,447.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544.61 : 17,315.64 = 9,018.07 : x
  2. Step 2: Convert to fraction form
    12,544.61/17,315.64 = 9,018.07/x
  3. Step 3: Cross multiply
    12,544.61x = 17,315.64 × 9,018.07
  4. Step 4: Simplify right side
    12,544.61x = 156,153,610.33
  5. Step 5: Solve for x
    x = 156,153,610.33/12,544.61
  6. Step 6: Final answer
    x = 12,447.87

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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.