Home / 14,209.70-21,308.06-9,203.90

Finding the Fourth Proportional to 14,209.70, 21,308.06 and 9,203.90

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Solution

The fourth proportional to 14,209.70, 21,308.06 and 9,203.90 is: 13,801.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,209.70 : 21,308.06 = 9,203.90 : x
  2. Step 2: Convert to fraction form
    14,209.70/21,308.06 = 9,203.90/x
  3. Step 3: Cross multiply
    14,209.70x = 21,308.06 × 9,203.90
  4. Step 4: Simplify right side
    14,209.70x = 196,117,169.90
  5. Step 5: Solve for x
    x = 196,117,169.90/14,209.70
  6. Step 6: Final answer
    x = 13,801.65

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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.