Home / 14,638.32-21,960.92-4,777.58

Finding the Fourth Proportional to 14,638.32, 21,960.92 and 4,777.58

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Solution

The fourth proportional to 14,638.32, 21,960.92 and 4,777.58 is: 7,167.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638.32 : 21,960.92 = 4,777.58 : x
  2. Step 2: Convert to fraction form
    14,638.32/21,960.92 = 4,777.58/x
  3. Step 3: Cross multiply
    14,638.32x = 21,960.92 × 4,777.58
  4. Step 4: Simplify right side
    14,638.32x = 104,920,119.02
  5. Step 5: Solve for x
    x = 104,920,119.02/14,638.32
  6. Step 6: Final answer
    x = 7,167.50

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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.