Home / 14,228.20-19,630.98-9,192.62

Finding the Fourth Proportional to 14,228.20, 19,630.98 and 9,192.62

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Solution

The fourth proportional to 14,228.20, 19,630.98 and 9,192.62 is: 12,683.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,228.20 : 19,630.98 = 9,192.62 : x
  2. Step 2: Convert to fraction form
    14,228.20/19,630.98 = 9,192.62/x
  3. Step 3: Cross multiply
    14,228.20x = 19,630.98 × 9,192.62
  4. Step 4: Simplify right side
    14,228.20x = 180,460,139.37
  5. Step 5: Solve for x
    x = 180,460,139.37/14,228.20
  6. Step 6: Final answer
    x = 12,683.27

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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.