Home / 14,215.55-21,327.20-4,354.61

Finding the Fourth Proportional to 14,215.55, 21,327.20 and 4,354.61

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Solution

The fourth proportional to 14,215.55, 21,327.20 and 4,354.61 is: 6,533.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215.55 : 21,327.20 = 4,354.61 : x
  2. Step 2: Convert to fraction form
    14,215.55/21,327.20 = 4,354.61/x
  3. Step 3: Cross multiply
    14,215.55x = 21,327.20 × 4,354.61
  4. Step 4: Simplify right side
    14,215.55x = 92,871,509.98
  5. Step 5: Solve for x
    x = 92,871,509.98/14,215.55
  6. Step 6: Final answer
    x = 6,533.10

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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.