Home / 10,388.99-14,338.01-5,913.54

Finding the Fourth Proportional to 10,388.99, 14,338.01 and 5,913.54

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Solution

The fourth proportional to 10,388.99, 14,338.01 and 5,913.54 is: 8,161.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388.99 : 14,338.01 = 5,913.54 : x
  2. Step 2: Convert to fraction form
    10,388.99/14,338.01 = 5,913.54/x
  3. Step 3: Cross multiply
    10,388.99x = 14,338.01 × 5,913.54
  4. Step 4: Simplify right side
    10,388.99x = 84,788,366.09
  5. Step 5: Solve for x
    x = 84,788,366.09/10,388.99
  6. Step 6: Final answer
    x = 8,161.37

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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.