Home / 13,883.80-20,925.64-11,959.24

Finding the Fourth Proportional to 13,883.80, 20,925.64 and 11,959.24

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Solution

The fourth proportional to 13,883.80, 20,925.64 and 11,959.24 is: 18,024.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,883.80 : 20,925.64 = 11,959.24 : x
  2. Step 2: Convert to fraction form
    13,883.80/20,925.64 = 11,959.24/x
  3. Step 3: Cross multiply
    13,883.80x = 20,925.64 × 11,959.24
  4. Step 4: Simplify right side
    13,883.80x = 250,254,750.91
  5. Step 5: Solve for x
    x = 250,254,750.91/13,883.80
  6. Step 6: Final answer
    x = 18,024.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.