Home / 10,289.50-14,199.51-5,573.79

Finding the Fourth Proportional to 10,289.50, 14,199.51 and 5,573.79

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Solution

The fourth proportional to 10,289.50, 14,199.51 and 5,573.79 is: 7,691.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.50 : 14,199.51 = 5,573.79 : x
  2. Step 2: Convert to fraction form
    10,289.50/14,199.51 = 5,573.79/x
  3. Step 3: Cross multiply
    10,289.50x = 14,199.51 × 5,573.79
  4. Step 4: Simplify right side
    10,289.50x = 79,145,086.84
  5. Step 5: Solve for x
    x = 79,145,086.84/10,289.50
  6. Step 6: Final answer
    x = 7,691.83

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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.