Home / 10,299.48-14,213.40-5,583.80

Finding the Fourth Proportional to 10,299.48, 14,213.40 and 5,583.80

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Solution

The fourth proportional to 10,299.48, 14,213.40 and 5,583.80 is: 7,705.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,299.48 : 14,213.40 = 5,583.80 : x
  2. Step 2: Convert to fraction form
    10,299.48/14,213.40 = 5,583.80/x
  3. Step 3: Cross multiply
    10,299.48x = 14,213.40 × 5,583.80
  4. Step 4: Simplify right side
    10,299.48x = 79,364,782.92
  5. Step 5: Solve for x
    x = 79,364,782.92/10,299.48
  6. Step 6: Final answer
    x = 7,705.71

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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.