Home / 14,984.34-20,668.78-9,017.88

Finding the Fourth Proportional to 14,984.34, 20,668.78 and 9,017.88

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Solution

The fourth proportional to 14,984.34, 20,668.78 and 9,017.88 is: 12,438.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,984.34 : 20,668.78 = 9,017.88 : x
  2. Step 2: Convert to fraction form
    14,984.34/20,668.78 = 9,017.88/x
  3. Step 3: Cross multiply
    14,984.34x = 20,668.78 × 9,017.88
  4. Step 4: Simplify right side
    14,984.34x = 186,388,577.79
  5. Step 5: Solve for x
    x = 186,388,577.79/14,984.34
  6. Step 6: Final answer
    x = 12,438.89

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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.