Home / 20,962.04-28,923.80-12,007.49

Finding the Fourth Proportional to 20,962.04, 28,923.80 and 12,007.49

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Solution

The fourth proportional to 20,962.04, 28,923.80 and 12,007.49 is: 16,568.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,962.04 : 28,923.80 = 12,007.49 : x
  2. Step 2: Convert to fraction form
    20,962.04/28,923.80 = 12,007.49/x
  3. Step 3: Cross multiply
    20,962.04x = 28,923.80 × 12,007.49
  4. Step 4: Simplify right side
    20,962.04x = 347,302,034.61
  5. Step 5: Solve for x
    x = 347,302,034.61/20,962.04
  6. Step 6: Final answer
    x = 16,568.14

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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.