Home / 23,130.63-31,919.49-13,059.18

Finding the Fourth Proportional to 23,130.63, 31,919.49 and 13,059.18

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Solution

The fourth proportional to 23,130.63, 31,919.49 and 13,059.18 is: 18,021.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,130.63 : 31,919.49 = 13,059.18 : x
  2. Step 2: Convert to fraction form
    23,130.63/31,919.49 = 13,059.18/x
  3. Step 3: Cross multiply
    23,130.63x = 31,919.49 × 13,059.18
  4. Step 4: Simplify right side
    23,130.63x = 416,842,365.42
  5. Step 5: Solve for x
    x = 416,842,365.42/23,130.63
  6. Step 6: Final answer
    x = 18,021.23

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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.