Home / 14,970.30-22,455.45-12,200.10

Finding the Fourth Proportional to 14,970.30, 22,455.45 and 12,200.10

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Solution

The fourth proportional to 14,970.30, 22,455.45 and 12,200.10 is: 18,300.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,970.30 : 22,455.45 = 12,200.10 : x
  2. Step 2: Convert to fraction form
    14,970.30/22,455.45 = 12,200.10/x
  3. Step 3: Cross multiply
    14,970.30x = 22,455.45 × 12,200.10
  4. Step 4: Simplify right side
    14,970.30x = 273,958,735.55
  5. Step 5: Solve for x
    x = 273,958,735.55/14,970.30
  6. Step 6: Final answer
    x = 18,300.15

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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.