Home / 10,399.02-14,342.48-9,205.26

Finding the Fourth Proportional to 10,399.02, 14,342.48 and 9,205.26

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Solution

The fourth proportional to 10,399.02, 14,342.48 and 9,205.26 is: 12,696.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,399.02 : 14,342.48 = 9,205.26 : x
  2. Step 2: Convert to fraction form
    10,399.02/14,342.48 = 9,205.26/x
  3. Step 3: Cross multiply
    10,399.02x = 14,342.48 × 9,205.26
  4. Step 4: Simplify right side
    10,399.02x = 132,026,257.44
  5. Step 5: Solve for x
    x = 132,026,257.44/10,399.02
  6. Step 6: Final answer
    x = 12,696.03

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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.