Home / 13,335.20-18,407.76-11,935.52

Finding the Fourth Proportional to 13,335.20, 18,407.76 and 11,935.52

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Solution

The fourth proportional to 13,335.20, 18,407.76 and 11,935.52 is: 16,475.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.20 : 18,407.76 = 11,935.52 : x
  2. Step 2: Convert to fraction form
    13,335.20/18,407.76 = 11,935.52/x
  3. Step 3: Cross multiply
    13,335.20x = 18,407.76 × 11,935.52
  4. Step 4: Simplify right side
    13,335.20x = 219,706,187.64
  5. Step 5: Solve for x
    x = 219,706,187.64/13,335.20
  6. Step 6: Final answer
    x = 16,475.66

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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.