Home / 10,285.20-14,193.58-5,569.48

Finding the Fourth Proportional to 10,285.20, 14,193.58 and 5,569.48

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Solution

The fourth proportional to 10,285.20, 14,193.58 and 5,569.48 is: 7,685.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,285.20 : 14,193.58 = 5,569.48 : x
  2. Step 2: Convert to fraction form
    10,285.20/14,193.58 = 5,569.48/x
  3. Step 3: Cross multiply
    10,285.20x = 14,193.58 × 5,569.48
  4. Step 4: Simplify right side
    10,285.20x = 79,050,859.94
  5. Step 5: Solve for x
    x = 79,050,859.94/10,285.20
  6. Step 6: Final answer
    x = 7,685.88

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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.