Home / 16,938.60-25,430.70-9,925.80

Finding the Fourth Proportional to 16,938.60, 25,430.70 and 9,925.80

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Solution

The fourth proportional to 16,938.60, 25,430.70 and 9,925.80 is: 14,902.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,938.60 : 25,430.70 = 9,925.80 : x
  2. Step 2: Convert to fraction form
    16,938.60/25,430.70 = 9,925.80/x
  3. Step 3: Cross multiply
    16,938.60x = 25,430.70 × 9,925.80
  4. Step 4: Simplify right side
    16,938.60x = 252,420,042.06
  5. Step 5: Solve for x
    x = 252,420,042.06/16,938.60
  6. Step 6: Final answer
    x = 14,902.06

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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.