Home / 23,278.64-34,918.11-6,638.63

Finding the Fourth Proportional to 23,278.64, 34,918.11 and 6,638.63

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Solution

The fourth proportional to 23,278.64, 34,918.11 and 6,638.63 is: 9,957.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,278.64 : 34,918.11 = 6,638.63 : x
  2. Step 2: Convert to fraction form
    23,278.64/34,918.11 = 6,638.63/x
  3. Step 3: Cross multiply
    23,278.64x = 34,918.11 × 6,638.63
  4. Step 4: Simplify right side
    23,278.64x = 231,808,238.00
  5. Step 5: Solve for x
    x = 231,808,238.00/23,278.64
  6. Step 6: Final answer
    x = 9,957.98

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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.