Home / 19,994.60-30,000.54-10,749.80

Finding the Fourth Proportional to 19,994.60, 30,000.54 and 10,749.80

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Solution

The fourth proportional to 19,994.60, 30,000.54 and 10,749.80 is: 16,129.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,994.60 : 30,000.54 = 10,749.80 : x
  2. Step 2: Convert to fraction form
    19,994.60/30,000.54 = 10,749.80/x
  3. Step 3: Cross multiply
    19,994.60x = 30,000.54 × 10,749.80
  4. Step 4: Simplify right side
    19,994.60x = 322,499,804.89
  5. Step 5: Solve for x
    x = 322,499,804.89/19,994.60
  6. Step 6: Final answer
    x = 16,129.35

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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.