Home / 14,135.60-21,203.40-9,214.85

Finding the Fourth Proportional to 14,135.60, 21,203.40 and 9,214.85

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Solution

The fourth proportional to 14,135.60, 21,203.40 and 9,214.85 is: 13,822.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,135.60 : 21,203.40 = 9,214.85 : x
  2. Step 2: Convert to fraction form
    14,135.60/21,203.40 = 9,214.85/x
  3. Step 3: Cross multiply
    14,135.60x = 21,203.40 × 9,214.85
  4. Step 4: Simplify right side
    14,135.60x = 195,386,150.49
  5. Step 5: Solve for x
    x = 195,386,150.49/14,135.60
  6. Step 6: Final answer
    x = 13,822.28

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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.