Home / 10,399.13-14,348.80-5,922.79

Finding the Fourth Proportional to 10,399.13, 14,348.80 and 5,922.79

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Solution

The fourth proportional to 10,399.13, 14,348.80 and 5,922.79 is: 8,172.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,399.13 : 14,348.80 = 5,922.79 : x
  2. Step 2: Convert to fraction form
    10,399.13/14,348.80 = 5,922.79/x
  3. Step 3: Cross multiply
    10,399.13x = 14,348.80 × 5,922.79
  4. Step 4: Simplify right side
    10,399.13x = 84,984,929.15
  5. Step 5: Solve for x
    x = 84,984,929.15/10,399.13
  6. Step 6: Final answer
    x = 8,172.31

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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.