Home / 14,935.12-20,611.04-8,969.46

Finding the Fourth Proportional to 14,935.12, 20,611.04 and 8,969.46

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Solution

The fourth proportional to 14,935.12, 20,611.04 and 8,969.46 is: 12,378.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,935.12 : 20,611.04 = 8,969.46 : x
  2. Step 2: Convert to fraction form
    14,935.12/20,611.04 = 8,969.46/x
  3. Step 3: Cross multiply
    14,935.12x = 20,611.04 × 8,969.46
  4. Step 4: Simplify right side
    14,935.12x = 184,869,898.84
  5. Step 5: Solve for x
    x = 184,869,898.84/14,935.12
  6. Step 6: Final answer
    x = 12,378.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.