Home / 20,630.04-30,940.08-9,526.05

Finding the Fourth Proportional to 20,630.04, 30,940.08 and 9,526.05

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Solution

The fourth proportional to 20,630.04, 30,940.08 and 9,526.05 is: 14,286.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,630.04 : 30,940.08 = 9,526.05 : x
  2. Step 2: Convert to fraction form
    20,630.04/30,940.08 = 9,526.05/x
  3. Step 3: Cross multiply
    20,630.04x = 30,940.08 × 9,526.05
  4. Step 4: Simplify right side
    20,630.04x = 294,736,865.11
  5. Step 5: Solve for x
    x = 294,736,865.11/20,630.04
  6. Step 6: Final answer
    x = 14,286.78

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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.