Home / 10,390.26-14,339.37-5,914.20

Finding the Fourth Proportional to 10,390.26, 14,339.37 and 5,914.20

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Solution

The fourth proportional to 10,390.26, 14,339.37 and 5,914.20 is: 8,162.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,390.26 : 14,339.37 = 5,914.20 : x
  2. Step 2: Convert to fraction form
    10,390.26/14,339.37 = 5,914.20/x
  3. Step 3: Cross multiply
    10,390.26x = 14,339.37 × 5,914.20
  4. Step 4: Simplify right side
    10,390.26x = 84,805,902.05
  5. Step 5: Solve for x
    x = 84,805,902.05/10,390.26
  6. Step 6: Final answer
    x = 8,162.06

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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.