Home / 10,299.32-14,213.16-5,583.68

Finding the Fourth Proportional to 10,299.32, 14,213.16 and 5,583.68

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Solution

The fourth proportional to 10,299.32, 14,213.16 and 5,583.68 is: 7,705.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,299.32 : 14,213.16 = 5,583.68 : x
  2. Step 2: Convert to fraction form
    10,299.32/14,213.16 = 5,583.68/x
  3. Step 3: Cross multiply
    10,299.32x = 14,213.16 × 5,583.68
  4. Step 4: Simplify right side
    10,299.32x = 79,361,737.23
  5. Step 5: Solve for x
    x = 79,361,737.23/10,299.32
  6. Step 6: Final answer
    x = 7,705.53

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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.