Home / 23,156.12-31,941.06-13,718

Finding the Fourth Proportional to 23,156.12, 31,941.06 and 13,718

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Solution

The fourth proportional to 23,156.12, 31,941.06 and 13,718 is: 18,922.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,156.12 : 31,941.06 = 13,718 : x
  2. Step 2: Convert to fraction form
    23,156.12/31,941.06 = 13,718/x
  3. Step 3: Cross multiply
    23,156.12x = 31,941.06 × 13,718
  4. Step 4: Simplify right side
    23,156.12x = 438,167,461.08
  5. Step 5: Solve for x
    x = 438,167,461.08/23,156.12
  6. Step 6: Final answer
    x = 18,922.32

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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.