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Finding the Fourth Proportional to 17,954.88, 26,932.53 and 4,807.08

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Solution

The fourth proportional to 17,954.88, 26,932.53 and 4,807.08 is: 7,210.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,954.88 : 26,932.53 = 4,807.08 : x
  2. Step 2: Convert to fraction form
    17,954.88/26,932.53 = 4,807.08/x
  3. Step 3: Cross multiply
    17,954.88x = 26,932.53 × 4,807.08
  4. Step 4: Simplify right side
    17,954.88x = 129,466,826.31
  5. Step 5: Solve for x
    x = 129,466,826.31/17,954.88
  6. Step 6: Final answer
    x = 7,210.68

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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.