Home / 10,353.85-15,532.80-4,430.73

Finding the Fourth Proportional to 10,353.85, 15,532.80 and 4,430.73

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Solution

The fourth proportional to 10,353.85, 15,532.80 and 4,430.73 is: 6,646.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,353.85 : 15,532.80 = 4,430.73 : x
  2. Step 2: Convert to fraction form
    10,353.85/15,532.80 = 4,430.73/x
  3. Step 3: Cross multiply
    10,353.85x = 15,532.80 × 4,430.73
  4. Step 4: Simplify right side
    10,353.85x = 68,821,642.94
  5. Step 5: Solve for x
    x = 68,821,642.94/10,353.85
  6. Step 6: Final answer
    x = 6,646.96

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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.