Home / 17,801.64-26,653.22-13,405.76

Finding the Fourth Proportional to 17,801.64, 26,653.22 and 13,405.76

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Solution

The fourth proportional to 17,801.64, 26,653.22 and 13,405.76 is: 20,071.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,801.64 : 26,653.22 = 13,405.76 : x
  2. Step 2: Convert to fraction form
    17,801.64/26,653.22 = 13,405.76/x
  3. Step 3: Cross multiply
    17,801.64x = 26,653.22 × 13,405.76
  4. Step 4: Simplify right side
    17,801.64x = 357,306,670.55
  5. Step 5: Solve for x
    x = 357,306,670.55/17,801.64
  6. Step 6: Final answer
    x = 20,071.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.