Home / 23,187.55-31,993.49-13,113.81

Finding the Fourth Proportional to 23,187.55, 31,993.49 and 13,113.81

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Solution

The fourth proportional to 23,187.55, 31,993.49 and 13,113.81 is: 18,094.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,187.55 : 31,993.49 = 13,113.81 : x
  2. Step 2: Convert to fraction form
    23,187.55/31,993.49 = 13,113.81/x
  3. Step 3: Cross multiply
    23,187.55x = 31,993.49 × 13,113.81
  4. Step 4: Simplify right side
    23,187.55x = 419,556,549.10
  5. Step 5: Solve for x
    x = 419,556,549.10/23,187.55
  6. Step 6: Final answer
    x = 18,094.04

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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.