Home / 17,280.15-23,840.37-11,315.22

Finding the Fourth Proportional to 17,280.15, 23,840.37 and 11,315.22

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Solution

The fourth proportional to 17,280.15, 23,840.37 and 11,315.22 is: 15,610.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,280.15 : 23,840.37 = 11,315.22 : x
  2. Step 2: Convert to fraction form
    17,280.15/23,840.37 = 11,315.22/x
  3. Step 3: Cross multiply
    17,280.15x = 23,840.37 × 11,315.22
  4. Step 4: Simplify right side
    17,280.15x = 269,759,031.43
  5. Step 5: Solve for x
    x = 269,759,031.43/17,280.15
  6. Step 6: Final answer
    x = 15,610.92

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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.