Home / 21,903.60-30,230.10-12,473.04

Finding the Fourth Proportional to 21,903.60, 30,230.10 and 12,473.04

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Solution

The fourth proportional to 21,903.60, 30,230.10 and 12,473.04 is: 17,214.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,903.60 : 30,230.10 = 12,473.04 : x
  2. Step 2: Convert to fraction form
    21,903.60/30,230.10 = 12,473.04/x
  3. Step 3: Cross multiply
    21,903.60x = 30,230.10 × 12,473.04
  4. Step 4: Simplify right side
    21,903.60x = 377,061,246.50
  5. Step 5: Solve for x
    x = 377,061,246.50/21,903.60
  6. Step 6: Final answer
    x = 17,214.58

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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.