Home / 14,903.40-22,355.10-13,218.60

Finding the Fourth Proportional to 14,903.40, 22,355.10 and 13,218.60

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Solution

The fourth proportional to 14,903.40, 22,355.10 and 13,218.60 is: 19,827.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,903.40 : 22,355.10 = 13,218.60 : x
  2. Step 2: Convert to fraction form
    14,903.40/22,355.10 = 13,218.60/x
  3. Step 3: Cross multiply
    14,903.40x = 22,355.10 × 13,218.60
  4. Step 4: Simplify right side
    14,903.40x = 295,503,124.86
  5. Step 5: Solve for x
    x = 295,503,124.86/14,903.40
  6. Step 6: Final answer
    x = 19,827.90

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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.